Flight Engineer Written FEX Practice Exam

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• What is the function of a two-wire thermal switch in a fire detection circuit?
• At what altitude is the altimeter set to 29.92 inches of mercury?
• What does the substitution of additional takeoffs and landings allow for reduced flight engineer operating experience?
• Which parameter is most critical for a turbine engine during the starting phase?
• What is the minimum amount of fuel that must remain after jettisoning for turbine engine powered airplanes?
• What is a consequence of using undiluted propylene glycol at low temperatures?
• What can a pressure-demand oxygen regulator do in an emergency situation?
• What is the preferred method for extinguishing a brake fire on the ground?
• What danger is associated with an oxygen leak?
• Where should deicing of the wings begin?
• What is the primary purpose of inboard ailerons?
• In what way does a paralleling circuit affect a generator?
• What is the effect of too much rudder input during a turn?
• Which flight crewmembers are allowed to leave their station during cruise?
• When will the static air temperature equal ram air temperature?
• What is a disadvantage of having the stabilizer and elevator located at the top of the vertical fin?
• What is the lowest ambient temperature at which engine ice is likely to form in air clear of visible moisture?
• What should be avoided when using petroleum-based hydraulic fluids?
• Engine pressure ratio is defined as the difference between which two pressures?
• When determining optimum cruise altitude, which factor is most significant at the beginning of the cruise?
• What factors can affect the authorized maximum takeoff weight of a transport airplane?
• What is one of the main advantages of using MIL-H-83282 over MIL-H-5606?
• What does a square symbol indicate regarding flammable materials?
• What function does a slat serve when deployed on an aircraft wing?
• What change occurs when heat sensitive paint transforms from white to black due to an expended chemical oxygen generator?
• What type of tire features a built-in deflector to reduce water spray?
• In an air carrier flight, is it required for a crewmember to have a flight engineer certificate to perform emergency FE functions?
• How does Jet A compare to Jet B fuel?
• What should be done if a hung start occurs when starting a turbine with an air starter?
• What type of power is provided by a rotary inverter?
• Which type of engine uses pneumatic starters for its ignition process?
• How does compressor RPM affect the power of a turbofan engine?
• What happens to static electricity during the corona discharge on an aircraft?
• For the elevator to move the nose down, what must occur?
• Where are static dischargers typically installed on an aircraft?
• What should be removed from door and girt bar areas before closing any door?
• When must the fuel be shut off during the start sequence?
• What happens if the landing gear warning light remains illuminated during flight?
• Type 2 de-icing/anti-icing fluids have a significantly longer holdover period compared to which type of fluids?
• What does the cabin pressure regulator manage in the isobaric range?
• What is the specific gravity range of the electrolyte in nickel-cadmium batteries at room temperature?
• What is the purpose of a cross feed fuel system in an airplane?
• What does a rotary inverter consist of?
• At what temperature is ice likely to form in the engine inlet?
• Which of the following is a crucial step before conducting maintenance on emergency equipment?
• What material is typically used in thermal fuse plugs installed in aircraft wheel rims?
• Where can cargo be carried within the passenger compartment according to regulations?
• Which of the following fuels are classified as wide cut fuels?
• Where should fuel stains be located to not be considered a flight hazard?
• Which conditions are likely to activate the landing gear warning signal?
• What is the purpose of operating a turbine at idle for a period before shutdown?
• What shape is an extinguisher for a paper fire typically associated with?
• When the recovery factor of a temperature sensor is at one hundred percent, the ram air temperature is equal to what?
• What happens to the current capacity when battery cells are connected in series?
• What does the formula "Weight multiplied by arm divided by Reduction Factor" determine?
• What effect do accumulators have on pressure surges in hydraulic systems?
• A variation from the optimum flight path during cruise results in what?
• What does the equalizing circuit do in a generator system?
• What type of spoiler is extended only after the aircraft is on the ground?
• What type of fire warning system is activated by the rate of temperature rise?
• As the angle of attack increases, where will the center of pressure move?
• What occurs at a typical landing gear retraction sequence?
• What can lead to the revocation of flight engineer and pilot certificates?
• How do servo tabs help in aircraft control?
• If a flight engineer notices a mechanical irregularity during flight, who is responsible for the maintenance log entry?
• What phenomenon can occur due to improper oxygen management during flight?
• What does a deflated main gear tire due to a thermal fuse melt indicate?
• Which fluid type is generally used for anti-icing in a two-step process?
• To which position should the oxygen regulator be set when symptoms of hypoxia are experienced?
• What is maintained by vortex generators on the upper surface of the wing at high speeds?
• What is a key advantage of using a piston-type accumulator in hydraulic systems?
• What happens to the indicator lamp in a smoke detector if smoke is present?
• When the windshield temperature is above the calibrated value, what happens to the current flow through the control unit's amplifiers?
• Which of the following is NOT an instrument commonly used with a pressurization controller?
• If the oil cooler relief valve sticks in the open position, what is the likely result?
• Which document outlines the regulations a flight engineer must follow?
• The primary function of the engine diffuser is to do what with the air?
• If a fire warning system uses thermocouples, what determines its activation?
• What should be considered when determining which deicing fluid to use?
• What condition may result from flying too soon after scuba diving?
• What is the primary function of an elevator trim tab?
• When calculating moment in weight and balance, after dividing the total items weight by 1000, what operation is performed next?
• What occurs if an airplane exceeds its critical angle of attack?
• What components does a fuel dump system typically lack?
• What is a disadvantage of sweptback wing design compared to straight wing design?
• Why are pneumatic starters preferred for most large turbine engines?
• What is the purpose of fusible plugs in the wheels?
• What does a flashing red light gun signal from the tower indicate?
• What purpose do vortex generators serve on the horizontal stabilizer?
• What fuel type is specifically blended to operate in extremely low temperatures?
• When turbine wheel damage occurs, which engine indication is most likely to rise?
• How often does a flight engineer certificate need to be renewed?
• Which engine instrument is most likely to show an elevated reading if the turbine wheel has damage?
• Which two elements comprise the turbine section of a turbine engine?
• What is the first column header in an Excel Chart for Weight and Balance?
• What must a flight engineer assess before taking on their duties?
• What type of terminal is satisfactory for general electrical systems?
• What advantage does a sweptback wing have compared to a straight wing?
• What is the most critical engine parameter during start?
• What is the approximate altimeter indication after failing to reset the local barometric pressure of 30.57 after descending from FL250 to a field elevation of 650'?
• What type of training is essential for operating aircraft above 25,000 feet?
• What is the purpose of the 'Qty' column in the Weight and Balance chart?
• Secondary flight control surfaces include which of the following?
• What happens if the cabin differential pressure becomes too great?
• What do trim tabs primarily enable the pilot to do?
• What is a sprag clutch assembly primarily used for?
• How does under-inflation of tires affect tread wear?
• What physical feature of a thermocouple ensures mechanical protection for its components?
• Carbon Tetrachloride is also known by which name?
• Why is the angle of incidence important in aircraft design?
• When can flight engineers perform maintenance on Part 121 aircraft?
• What is the primary voltage conversion done by a rotary inverter?
• What is the primary reason for adhering to the prescribed duty cycle of a pneumatic starter?
• Dividing total moments by total weight gives you what measurement?
• Which material composition of lead-acid battery cells is present?
• What is the most adverse effect on an aircraft caused by rain?
• If the stabilizer leading edge moves up and the rudder tab moves right, what are you trying to trim towards?
• In the event a fusible plug melts, what action is recommended for the affected tire?
• Which maintenance check is important for ensuring the proper functioning of the antiskid system?
• What type of indicator must electric gyro instruments have?
• Which devices are primarily considered lift-decreasing?
• What is primarily formed due to tetraethyl lead in aviation gasoline when mixed with jet fuel?
• Which of the following is considered a primary flight control?
• What is the purpose of the hopper tank in an engine system?
• Is nonessential conversation allowed or not below 10,000 feet?
• In constant Mach cruise control, what happens to thrust as aircraft weight decreases?
• What role do static wicks play on an aircraft?
• When an airplane is trimmed to a more nose-down and left position, which direction does the stabilizer leading edge move?
• What is the minimum operating experience required for a flight engineer on turbojet aircraft with common carriage?
• What is the primary source of directional stability for an airplane?
• Under what condition do vortex generators operate effectively at slow speeds?
• What should be done to treat spilled lead-acid battery electrolyte to prevent corrosion?
• Which of the following impacts the actual ampere-hour output of a battery during discharge?
• What is the function of the cellophane portion in the separator of a nickel-cadmium battery?
• What is the maximum flight limit for a flight engineer on a Part 121 Flag Flight where only one FEX is required?
• What is the purpose of enclosing wires or electrical units in metal?
• How frequently must crewmembers complete training programs on HAZMAT and magnetized materials?
• What is a notable disadvantage of Skydrol hydraulic fluid?
• What can cause heat damage to the fuel control unit?
• How will mixing aviation gasoline with jet fuel affect a turbine power plant?
• What directly affects the opening of the outflow valve in cabin pressure control?
• What role does the windshield heat control switch play in the system?
• How do speed brakes assist in flight control?
• What is the result of a decrease in altitude with a constant altimeter setting?
• In which phase is true airspeed most critical for aircraft performance?
• What increases the camber of an aircraft wing?
• The primary effect of operating below optimum cruise altitude is?
• What effect does high voltage have on the size of motors compared to equivalent direct current powered motors?
• What general effect does altitude above the tropopause have on engine efficiency?
• If ATIS is not broadcasting visibility or sky conditions, what are the likely conditions in terms of ceiling and visibility?
• What is a characteristic of a thermal overload switch?
• In a dual compressor engine, what is the speed (RPM or percent) of the low pressure compressor referred to as?
• What happens to drag in a power approach when using wing-mounted vortex generators?
• What feature of the HRD systems contributes to best distribution of the extinguishing agent?
• How is mineral-based oil for hydraulic systems processed?
• What is the role of the compressor in a turbine engine?
• What is the domestic flight time limit for a Flight Engineer in any calendar month?
• What is an advantage of using 115 volts, 400 hertz alternating current?
• What is the first action recommended if a thermal fuse plug is suspected to have melted at a low temperature?
• What is a potential outcome of mismanaging the landing gear and flap positions?
• What should be tested in a visual smoke detector for operational assurance?
• If an airplane battery is rated to deliver forty-five amperes for two point five hours, what is its ampere-hour rating?
• What is the purpose of a Watt meter?
• Which of the following is true regarding electrical relays?
• What may result from shock-induced separation of airflow near the wing root of a sweptback wing?
• What is the main feature of a locked-wheel arming circuit?
• Which hydraulic operation normally uses a double-acting, unbalanced linear actuator?
• What is a limitation regarding a Flight Engineer deadheading back to their base?
• Electrical generators are rated in which of the following?
• In the case of a flight requiring FEX operations, when can it operate under Part 91?
• What does the rotor in a variable displacement pump do?
• How many megaphones are required on an aircraft with 100 or more passengers?
• What is the function of aileron balance panels?
• Which oxygen delivery system provides rich oxygen during the first part of inhalation?
• After activating two fire extinguishing containers, which switch indicates that the system has been actuated?
• Which instrument indicates the difference between inside and outside pressure in an aircraft?
• When adjusting for pressure altitude, what is subtracted from the field elevation?
• What is a common indicator of a malfunctioning oxygen mask system?
• When are outboard ailerons typically used during flight?
• What component does an Air Cycle Machine need to function properly?
• What action must a flight crewmember take if the other pilot leaves the flight deck at FL390?
• Which hydraulic fluid is known for its application in low fire hazard environments?
• To maintain effective oxygen delivery, what should be checked before using a demand mask?
• What is the key benefit of using nitrogen for tire inflation in aircraft?
• What is the elevation to which cabin altitude should be set for specific landing conditions?
• What should the right aileron trim tab do to raise the right wing?
• What is the primary purpose of flight spoilers during landing?
• In terms of stability, how does a higher dihedral angle benefit an aircraft?
• What is one of the primary roles of an outflow valve in an aircraft?
• What is the primary reason for using leading edge slots on wings?
• Why is monitoring turbine case temperature important during operation?
• What is the purpose of a ram air inlet in the context of ventilating air?
• In the event of smoke in the cockpit, the oxygen diluter setting should be set to what percentage?
• The function of the sprag clutch assembly during engine start is to do what?
• Which of the following is not part of flight engineer responsibilities?
• What is the purpose of the two-step deicing procedure?
• What is the function of turbine nozzles in a jet engine?
• What role do heat exchangers play in the air-cycle cooling system?
• How does the thermocouple in a fire detection system generate a warning signal?
• Why is it crucial for all electrical loads and power sources to be turned off before connecting or disconnecting a battery?
• What temperature should de-icing fluid dispensed by a ground unit be?
• During which flight condition do vertical fin vortex generators assist?
• When does the Cockpit Voice Recorder (CVR) operate continuously?
• When is oxygen supplied from a continuous flow oxygen system?
• What happens when the Pt2 probes become unblocked during takeoff?
• At what flight altitude must each air carrier flight deck crewmember be provided with a quick-donning type O2 mask?
• What is the recommended action if Skydrol comes into contact with the eyes?
• Under which conditions must a Flight Engineer remain at the FE panel with their seatbelt fastened?
• What can the cabin rate of climb affect during flight?
• What is the purpose of a bypass valve in a hydraulic filter?
• Which type of wattmeter primarily consists of two elements: one for current and the other for voltage?
• What does a fuel temperature indicator help determine?
• What aspect of the fuel heater can lead to operational issues in an aircraft?
• What is the correct starting sequence for a turbine engine?
• What is the required flight altitude to which an aircraft must be able to make an emergency descent within four minutes when operating at or below Flight Level 250?
• How can connecting batteries in parallel affect ampere-hour capacity?
• What consideration is crucial when determining the optimum cruise altitude?
• Which of the following is true about oxygen mask usage?
• What occurs as compressed air passes through the expansion turbine in an air cycle cooling system?
• What event will cause the Emergency Exit Lights to become illuminated?
• What is the operational method for a rudder in most aircraft?
• What is the impact of increased temperature on true airspeed during a flight?
• What is a characteristic of solid-state relays?
• What atmospheric change is typically associated with decreased moisture content?
• What condition results from a severe lack of oxygen leading to permanent physical damage?
• When is the pilot required to activate the alternate static source?
• What is the primary function of a wattmeter?
• What action should be taken if the ITT during start sequence is about to exceed the limit?
• What is the relationship between trim tab movement and the elevator movement required for a nose up situation?
• What happens if fuel is contaminated with water?
• What is a hopper tank?
• What causes radio interference related to precipitation static on aircraft?
• What occurs if the Pt probe at the engine nose dome opening ices up?
• Which trait makes it easiest to distinguish a turbine fuel leak?
• For how long is cockpit voice recorder data kept in the event of an accident or occurrence that terminates the flight?
• How does deadhead transportation affect flight time limits for air carrier flight crewmembers?
• In a dual axial-flow compressor system, what does the first stage turbine drive?
• During a preflight check, what should be inspected about flexible hydraulic hoses?
• What should be avoided during the application of deicing fluid to prevent forcing ice into control areas?
• Which oxygen system is typically provided for passengers?
• Which fire extinguishing agent is likely to cause minimal damage besides thermal effects?
• How many hours of delay are recommended before ascending to flight altitudes up to 8000 feet after diving without controlled ascent?
• Why is it important to monitor turbine discharge pressure?
• Which component's effectiveness is maintained by vortex generators during extreme angles of yaw?
• Which device disconnects a generator from the system bus when its voltage is lower than the battery voltage?
• The maximum allowable airplane weight excluding usable fuel is referred to as what?
• One objective of a brake debooster system is to allow what if there is a leak in the line?
• What is the minimum number of spare electrical fuses required for each rating needed in flight?
• What does P sub t sub 7 mean?
• Which feature is characteristic of a constant-flow oxygen system?
• What feature is characteristic of a continuous flow oxygen system?
• What is the most prevalent condition for engine icing to occur?
• What is the purpose of pressurizing a hydraulic reservoir?
• What are control tabs primarily used for?
• What is the lowest temperature that water droplets may remain in a liquid state?
• In a Weight and Balance calculation, what does 'ARM' stand for?
• What characterizes a thermal runaway condition?
• What does the specific range ratio compare?
• What type of seals are typically used with petroleum-based hydraulic fluids?
• What indicates a thermal discharge in a gaseous oxygen system?
• What is the primary usage of automatic reset type circuit breakers in aircraft electrical systems?
• What should be applied to one windshield at a time during rain repellent application?
• What is the purpose of a constant speed drive for an AC generator?
• What should not be used to extinguish a Class D fire involving combustible metals such as magnesium?
• What does the Minimum Equipment List indicate?
• What effect does the nozzle diaphragm have on the velocity of heated gases in a turbine engine?
• When a nickel cadmium battery is overcharging, which gases are produced?
• When can cargo be placed aft of the rearmost seated passenger?
• What will happen if an unbalanced fuel load exists in flight?
• What happens when the hydraulic pump is not operating?
• Total Air Temperature equals ram air temperature when the recovery factor is equal to what percent?
• What characteristic allows a wattmeter to measure both AC and DC power?
• When assessing oil temperature in a turbine engine, what might indicate a potential issue?
• Which items will be affected if covers over the pitot probes are not removed?
• Which location has the highest gas pressure in a turbine engine?
• Which safety device is activated by the compression and extension of a landing gear strut?
• What triggers the warning light and bell in a smoke detection system?
• What material compositions are common for flexible static dischargers?
• What setting do you select on a pressure-demand oxygen regulator in case of smoke in the cockpit?
• Why is it important to consider temperature when calibrating airspeed?
• What impacts the aerodynamic performance of an aircraft the most regarding frost?
• What causes a surge of current upon turning on incandescent lamps or electric heaters?
• What could require a flight engineer's presence during operation?
• What occurs when the heat source for Skydrol is removed?
• Anoxia is best described as:
• What describes the flight engineer's emergency evacuation duties?
• How are electrical generators typically rated?
• As the differential range is approached, what causes the diaphragm to move and the differential metering valve to open?
• What does the use of a slot in the leading edge of the wing enable an airplane to do?
• How is the state of charge of a lead-acid battery determined?
• The thermocouple fire warning system is activated by what type of change?
• Why might EPR indications increase falsely during takeoff?
• Why is it important to filter hydraulic fluid?
• What is the function of a Trip Free circuit breaker?
• Which procedure increases holding time when de-icing/anti-icing an airplane using a two-step process?
• What is the second purpose of turbine nozzles?
• Which type of environment is typically unsuitable for electrical terminals?
• Under what conditions does pressure altitude equal density altitude?
• Why are jet fuels more susceptible to water contamination than aviation gasoline?
• What is the status of cancelling the gear warning associated with flap position?
• What device is used to regulate pressure from an engine-driven hydraulic pump?
• What temperature range is optimal for the de-ice/anti-ice fluid during the final step of a two-phase process?
• When should manual fuel heaters be operated?
• What effect does overinflation have on tire tread wear?
• What action should be taken to ensure safe use of oxygen systems?
• How does cold air affect turbine engine performance?
• What does a generator field control allow an operator to do?
• Which of the following functions is NOT performed by a cabin pressure control system?
• What is the benefit of the equalizing circuit in generator load sharing?
• What effect does high static pressure have on the altimeter reading?
• Which precaution should be taken when using mobile ground de-ice/anti-ice equipment?
• Is it true that rain repellent can be used to clean a windshield?
• What does a yellow disc indicate in the fire extinguishing system?
• How should true airspeed change to maintain the same angle of attack when air density decreases?
• What type of conversation is permissible above 10,000 feet?
• What might happen if a hydraulic accumulator is improperly filled with gas?
• How do generating systems achieve equal generator loads?
• What must a third artificial horizon system be after a failure of the electrical generating system?
• What does the Mean Aerodynamic Chord represent in relation to an airfoil?
• How long is a temporary flight engineer certificate effective?
• Flight Recorders are required on which class of aircraft?
• What is the primary function of an anti-servo tab?
• What should be done if sulfuric acid from a lead-acid battery contacts the skin?
• What do vortex generators help prevent during flight?
• During an engine trim check, what pressure should be used for calculating thrust?
• Which individuals are permitted to be seated in the cabin of an all-cargo aircraft?
• What would be a potential outcome of a malfunction in the nozzle diaphragm of a turbine engine?
• How do hydraulic sequence valves differ from priority valves?
• What direction does a servo tab move in relation to the primary control surface?
• How do leading edge flaps affect an aircraft during flight?
• What type of electrolyte is contained in a lead-acid battery?
• What is the Standard Day - Sea Level temperature in degrees Celsius?
• What is the purpose of the hopper tank?
• Which part of the breathing cycle is assisted by the reservoir bag in a continuous flow oxygen system?
• What is the primary function of a maximum speed governor in a pump system?
• What type of warning device is required for retractable gear aircraft?
• How does maximum efficiency of turbojet engines relate to altitude?
• What does the engine diffuser do regarding static pressure and velocity?
• If the right aileron is moving down, what is the expected movement of the right wing?
• What is an advantage of the one-step deicing process?
• What is the role of outboard ailerons during flight?
• What do V one, V R, and V two signify during flight?
• What is the purpose of electrical bonding jumpers in aircraft?
• What happens if a flight engineer refuses a drug or alcohol test when requested by the FAA?
• What is typically the configuration of variable displacement pumps in a hydraulic system?
• Why is baking soda recommended for handling lead-acid battery spills?
• What is the viscosity comparison between turbine fuel and aviation gasoline?
• What is the primary purpose of a hydraulic accumulator?
• What happens to thrust and drag as altitude increases beyond 36,000 feet?
• Which atmospheric condition will decrease air density?
• What is one of the functions of a hydraulic accumulator?
• In a typical pressurization system, which type of air is often used to maintain cabin pressure in turbine-powered aircraft?
• At taxi speeds, which circuit is responsible for providing full braking action?
• Which section of a turbine engine is used for pressurization and air-conditioning systems?
• Which component prevents cabin altitude from exceeding airplane altitude?
• What document can be used temporarily if a Flight Engineer loses their FEX certificate?
• What defines the cruising performance of an aircraft?
• Flight spoilers assist in lateral control by being extended when:
• What is the primary concern when operating at extreme altitudes for turbojet engines?
• What does the hydraulic accumulator help to compensate for in a system?
• What could happen if a flight engineer's duty time exceeds the legal limit?
• If the landing gear on an airplane moves forward during retraction, what happens to the total moments?
• What are leading-edge flaps primarily used for?
• Which property of jet fuel contributes significantly to its higher susceptibility to water contamination?
• What does the term "deadhead transportation" refer to in aviation?
• Which Skydrol fluid is formulated for larger jets where weight is a consideration?
• What is defined as a rise in pressure above existing atmospheric pressure at the engine inlet due to forward velocity?
• When the cabin pressure regulator operates in the differential mode, which component is vented to the atmosphere?
• What type of leaks are considered a flight hazard?
• What happens to the airspeed indicator when the static pressure line is disconnected?
• As temperature decreases, what happens to True Airspeed (TAS) while climbing?
• What is a disadvantage of wing-mounted vortex generators?
• What type of actuator is typically used in an Automatic Pilot Servo?
• What speed does a frequency meter directly indicate?
• What happens when a hydraulic filter element becomes clogged?
• What is the standard temperature at 5,000 feet above sea level?
• What purpose do spring tabs serve in an aircraft?
• What is the proper start sequence for a turbine engine?
• What is the most common cause of false fire warnings in a continuous-loop fire detection system?
• In the event of an emergency, what is a flight engineer's primary responsibility?
• What is the transonic range of speeds?
• What does Cabin Differential Pressure measure?
• What do brake debooster cylinders accomplish in a power brake control system?
• How often must a flight engineer receive recurrent training on emergency operations of airplane flight systems?
• What can lead to insufficient freezing point solutions during deicing?
• How does a photoelectric smoke detector primarily function?
• Which types of aircraft must be equipped with G.P.W.S. and Glide slope deviation alerting system?
• What is described as the angle between the chord line and the longitudinal axis of an aircraft?
• What is the effect of mixing aviation gasoline with jet fuel?
• What is the consequence of not disconnecting electrical loads before battery maintenance?
• What happens to leading edge flaps when they are in the "down" position?
• Which of the following is classified as an auxiliary flight control?
• What condition is characterized by continuous rising current and increased battery temperature?
• In a properly balanced aircraft, what will occur if too much rudder is applied without sufficient banking?
• What is the main purpose of using generating systems in parallel?
• What is indicated if the altimeter setting is low?
• Which type of fuel leaks is not considered a flight hazard?
• What component is present in a photoelectric smoke detector?
• What can be a result of improper wing design in flight?
• The primary purpose of the anti-skid system control box is to prevent what?
• True airspeed is calculated by correcting equivalent airspeed for what type of variation?
• What is the speed (RPM or percent) of the high pressure compressor in a dual compressor engine referred to as?
• What is the function of the diffuser section in a jet engine?
• What can result from low electrolyte levels in a nickel-cadmium battery?
• In what scenario might an air carrier's Flight Operations Manual provide specific procedures for flight engineers?
• Which type of terminal is considered unsatisfactory for general electrical systems?
• In a dual axial-flow compressor system, what does the first stage turbine drive?
• When using a carbon-pile voltage regulator, what happens when pressure on the carbon pile increases?
• What is the purpose of the automix lever in diluter-demand oxygen systems?
• How can closing of the start air valve be confirmed during engine start?
• At what flight level must a flight crewmember use an oxygen mask?
• How is the fuel jettisoning system typically designed for lateral stability?
• What is a consequence of frequently completely discharging and recharging a nickel-cadmium battery?
• What is the primary advantage of using leading edge slats on an aircraft?
• Where should the chines be located for a dual nose wheel installation?
• When only one megaphone is required, where must it be located?
• Which of the following is an important safety precaution when handling electrolyte?
• How are trim tabs adjusted in relation to the desired movement of the surface being controlled?
• What atmospheric condition will result in an increase in air density?
• In the context of fire extinguishing systems, what does a missing red disc indicate?
• What is the main component of a rotary inverter?
• What is the function of vortex generators mounted on the vertical fin?
• What component is essential for the operation of an electrically heated windshield system?
• During a flight at a zero angle of attack, how does the pressure on the upper wing surface compare to atmospheric pressure?
• What system is responsible for locking the brakes during landing?
• What is the primary function of a relay in an electrical circuit?
• When are ATIS broadcasts updated?
• Control tabs are used to move flight controls in the event of what?
• What is a disadvantage of using MIL-H-83282 hydraulic fluid?
• When is differential control used for cabin pressure?
• In the Weight and Balance Excel chart, which column contains the combined weight of all items?
• Which substance will neutralize the electrolyte from a lead-acid battery?
• Which of the following is an indication of potential landing gear malfunction?
• What five things does the Flight Recorder document?
• What is the primary purpose of using boost pumps in the fuel system?
• In what situation does a two-wire thermal switch remain operable?
• What system component receives power from the electrical bus in an electrically heated windshield system?
• Which device has a movable core?
• What type of energy do relays convert to control electrical circuits?
• Which type of fire detector circuit can continue to function with either one open or one short in the detector loops?
• How long before CVR information may be erased after recording?
• After the ignition source is removed, what class of material will not propagate a flame beyond safe limits?
• For how many consecutive hours must a flight engineer be relieved of all duty in 7 consecutive days?
• Which is a design feature of an oro-nasal oxygen mask?
• What does a missing yellow disc on the side of the fuselage indicate?
• Which kind of wing typically has a higher critical Mach number?
• The term 'hot section burnout' refers to damage caused by which issue?
• What is the primary function of fusible plugs in aircraft wheels?
• Who can replace a seatbelt under Part 91 with a Letter of Deviation Authority from Part 125?
• What determines the viscosity of Type 1 de-icing/anti-icing fluid?
• What dangerous characteristic does the electrolyte in a nickel-cadmium battery possess?
• What is referred to as the speed (RPM or percent) of the low pressure compressor in a dual compressor engine?
• What does an alternate static system provide during flight?
• When do diluter demand oxygen systems supply oxygen to the user?
• What type of voltage is produced if an alternating current generator is driven without field excitation?
• Where is the second megaphone required to be located?
• What is the purpose of the flight engineer operating experience reduction?
• What generally happens to the low pressure compressor in a triple-spool engine as altitude increases?
• If the altimeter is set to 28.92 instead of 28.82, what will be the actual altitude compared to indicated altitude?
• What condition can cause the E.P.R. indication to decrease falsely when the P sub T probe at the engine nose dome is iced closed?
• What effect does decreasing pressure have on air density?
• What action should be taken in case of eye contact with any hydraulic fluid?
• In what situation will a thermocouple NOT produce a warning signal?
• What information does a mach meter present?
• Which type of fire extinguisher is specifically recommended for metal fires?
• What is the effect of the barometric settings on the pilot and copilot altimeters on MODE C altitude transmission?
• What condition will cause the landing gear warning signal to sound?
• What is the sequence of events in the continuous combustion cycle of a turbine engine?
• When will the flap position warning system sound an alarm in the cockpit?
• What signifies that a fire extinguisher's discharge indicator port is indicating an issue?
• Which components in a turbine engine aid in stabilization of the compressor during low power operations?
• What effect does the movement of the stabilizer leading edge have on trim adjustments?
• What type of oil system is most commonly used in turbine engines?
• What precaution should be taken when using truck-mounted deice/anti-ice equipment?
• What is required for flight engineers to perform maintenance under Part 121?
• If a turbine engine catches fire internally during the start cycle, what initial action should be taken?
• What is the primary purpose of a thermocouple in a fire detection system?
• How does an aileron balance panel function?
• What is the relationship between basic operating weight and payload?
• How is electric power calculated in a wattmeter?
• Under what condition will the compressor speed up as altitude is increased?
• What is Skydrol primarily used for?
• What section is located aft of the compressor but forward of the burner in a jet engine?
• What happens to the right aileron trim tab when trimming nose-right and wing-up?
• For how many days is a fax copy of a lost or destroyed medical certificate valid?
• When is the medical certificate for FEX obtained on August 25, 2010 valid until?
• Which type of aircraft typically uses chine tires?
• Which flight control systems are responsible for changing the lifting characteristics of the wing?
• What is the nominal voltage of a fully charged lead-acid battery consisting of six cells?
• What is a characteristic feature of an electromagnetic-type circuit breaker?
• How often should the electrolyte level in nickel-cadmium batteries be checked?
• What is a feature of a parallel bus electrical system in aircraft?
• What materials are typically used to construct a thermocouple?
• What do turbojet airplanes designed for long range need to maintain during cruise flight?
• What purpose does a fuse-type current limiter serve?
• Why is it important to monitor the fuel system related to the center of gravity?
• According to federal regulations, who is considered a flight crewmember?
• Under what condition can the PIC exclude someone from the flight deck?
• How much freezing point protection should anti-icing fluid provide?
• In order to raise the right wing of an aircraft, which part of the aileron system must move down?
• What is a reason for heating cockpit windows?
• Diluting ethylene glycol deicing fluid with water under nonprecipitation conditions will do what to the freeze point?
• What is a design feature of a demand system oxygen mask?
• Which component is essential for detecting when a generator is not producing voltage?
• What factors determine the minimum number of hand fire extinguishers required in passenger compartments?
• What is the primary purpose of the diffuser section in a turbine engine?
• Which alerting system is mandated for turbine-powered airplanes?
• What is the main purpose of a brake debooster?
• What component protects wiring from excessive current in the instrument lighting system?
• What is the approximate nominal voltage rating of a fully charged nickel-cadmium battery with twenty cells?
• Which hydraulic fluid was developed in the 1960s to address flammability issues?
• Is decreasing the holding time considered a good or bad thing?
• What is the main function of the circuit breaker in the instrument lighting system?
• What is the key characteristic of the cabin in a pressurization system?
• What feature allows the diluter demand oxygen system to function effectively at high altitudes?
• What functions does the cabin pressure control system perform?
• What benefit does sweepback provide to an aircraft?
• What does P sub t sub seven indicate in aviation terminology?
• What is the effect on groundspeed when an airplane turns from a headwind to a tailwind?
• Which combination of certificates allows an airman to perform as a flight engineer?
• What is the role of servo tabs in an aircraft's control system?
• When the control wheel is moved left, how does the left aileron respond?
• What is the primary purpose of leading edge slats on high-performance wings?
• What is the minimum supplemental oxygen supply required for each crew-member in pressurized air carrier transport airplanes?
• What is a requirement for the issuance of a Flight Engineer certificate?
• According to domestic air carrier duty rules, what is prohibited during a flight crewmember's required rest period?
• What is the primary purpose of circuit protective devices?
• In terms of contamination, how does jet fuel compare to aviation gasoline?
• Which type of airplanes are required to be equipped with a ground proximity warning system and Glide Slope Deviation Alerting System?
• What chemical reaction occurs in a lead-acid battery when discharging?
• In what condition should undiluted propylene glycol not be used?
• What happens if a circuit breaker is reset while the overload condition still exists?
• If a flight engineer has never served on a turbojet, what requirement must they fulfill before being assigned to a turbojet?
• Which location has the highest gas volume in a turbine engine?
• For an airplane with specified gross weight and cruise speed, how does fuel flow relate to temperature and altitude?
• What is the function of the antiskid system control box?
• What is M.I.L. dash H dash five six zero six used for in aviation?
• What role do vortex generators play on an aircraft's horizontal stab?
• What is a common rating period established for measuring battery capacity in airplanes?
• What actions should be taken if a hydraulic stationary connection has a static leak?
• Which is considered worse regarding frost on an aircraft wing?
• What is one protective function of an alternating current generator control unit?
• What is the purpose of the engine diffuser in a turbine engine?
• If outside air temperature (OAT) increases during a flight at constant power and indicated altitude, what happens to true airspeed and true altitude?
• What action should be taken to prevent ice formation on aircraft surfaces effectively?
• What immediate action should be taken when the engine indicates a high Exhaust Gas Temperature during startup?
• What color identification is associated with M.I.L. dash H dash five six zero six?
• What type of filtering element is most commonly used in hydraulic reservoirs?
• What is characteristic of High Rate of Discharge (HRD) fire extinguishing systems?
• What does P sub T sub seven indicate?
• What documents are required to be carried aboard each domestic air carrier flight conducted under C.F.R. Part 121?
• What is a common feature of the oxygen system found in the flight deck?
• What color identifies the hydraulic fluid known as brak-oh, spelled B R A C O eight eight two?
• Why must oxygen not come into contact with oils or solvents?
• What is the minimum altitude at which a ground proximity warning system must be operational?
• What indicates the thermal discharge of a built-in fire extinguisher system?
• What conditions will cause a high EGT, W sub 'F', and RPM with a normal EPR indication, at all power settings?
• Which temperature indicator predicts the operation of in-flight engine anti-icing without applying a correction factor?
• What fluid strength considerations must be remembered when applying deicing fluids?
• What type of protective functions do open phase, under-excitation, and over-voltage provide?
• What is the aerodynamic issue that arises from excessive rudder input without sufficient bank?
• What type of operations does Common Carriage Not Involved refer to?
• What is the role of a reservoir bag in a continuous flow oxygen system for passengers?
• What factor does the speed of sound vary with?
• What unit of measurement is used by the cabin vertical-velocity indicator to show the change in cabin altitude?
• In an air-cycle cooling system, which component undergoes a pressure and temperature drop during operation?
• What is the primary factor affecting the specific range of a turbojet airplane during cruise?
• What is the primary function of a relay?
• What is required to be valid for conducting international air operations?
• What can happen to a magnesium fire if water is applied?
• In comparing jet fuel to aviation gasoline, what is true about their characteristics?
• In a photoelectric smoke detector, what causes electric current to conduct?
• In case of an emergency, which frequency should you declare an emergency on?
• What is the effect of higher compressor speeds at fast speeds in a turbofan?
• What is a reason for the revocation of a flight engineer certificate?
• Where is the highest gas volume found in a turbine engine?
• What kind of certificate is issued to crewmembers of U.S. air carriers engaged in international air commerce?
• When the elevator moves down, what direction does the trim tab move to help achieve this?
• When does a skid occur during flight?
• How many threads should be showing on locking nuts?
• What action should be done immediately if the start sequence ITT approaches the limit?
• What are the two basic elements of a turbine assembly in a turbojet engine?
• Why is it important to write down the maximum EGT during engine start?
• What component of the rotary inverter is responsible for converting DC to AC?
• What aspect of battery behavior does thermal runaway affect?
• In what units are aircraft fuse capacities rated?
• What effect does heavy discharge current have on battery efficiency?
• Which component of an airplane pressurization system prevents the cabin from experiencing pressure higher than the airplane altitude?
• If the cabin rate of climb is too great, what should be adjusted?
• Under Part 121, to what percentage of flight experience hours can flight engineer requirements be reduced?
• What is the purpose of null field dischargers on aircraft?
• When drafting a Weight and Balance report, which formula would be used to calculate moment?
• What condition will cause a false, high EPR indication, in flight or on the ground?
• How does the gross weight during cruise affect the performance of the airplane?
• For proper trim adjustment when needing to move the nose left, how should the trim tab be set?
• What should not be used in non-precipitation conditions to avoid higher freezing points?
• What indication might suggest that turbine wheel damage has occurred?
• What is the consequence of a disconnected instrument static pressure line during cruise flight in a pressurized cabin?
• Which method will decrease the holding time during anti-icing when using a two-step process?
• What is the flight time limit for Flat Ops that require two pilots?
• What causes cell imbalance in a nickel-cadmium battery?
• When does the landing gear position warning system activate?
• What section of a turbojet engine is located directly behind the combustion chamber?
• How does an increase in dihedral angle affect an aircraft's stability?
• What is a disadvantage of using a one-step de-icing method?
• What does excessive frost on an aircraft wing prevent?
• What technology helps to eliminate dutch roll in high-speed transport airplanes?
• What could result from violating federal or state drug statutes?
• What altitude information is transmitted by MODE C of the transponder?
• What is the primary role of a flight engineer during flight operations?
• Which flight control causes the airplane to roll to the right?
• What is the theoretical output of a 100 ampere-hour battery for 5 hours?
• How can radio interference in an aircraft be minimized?
• Which of the following properties of oils helps in preventing spark plug fouling?
• What is needed to indicate the method of operation for emergency equipment in an air carrier airplane?
• What is indicated altitude when the altimeter setting is higher than standard at 15,000 feet?
• What is the primary group of flight control surfaces composed of?
• For what purpose can CVR and flight data recorders not be used?
• Who may complete the entire initial flight check in an approved simulator?
• Which temperature corresponds to Standard Day - Sea Level in Fahrenheit?
• How are visual smoke detectors activated in some aircraft?
• What is the temperature threshold at which fuel systems are designed to avoid vapor lock?
• Why is ethylene glycol deicing fluid diluted with water in non-precipitation conditions?
• How are airplane alternating current generators rated?
• How long is a fax copy of a lost medical certificate valid for flight operations?
• What is Saint Elmo's fire?
• What type of probe behaves like a P sub S probe when the P sub T vent at the engine nose dome is iced up?
• What is a common method for preventing the hazard posed by entrained water in aviation turbine fuel?
• What misconception might arise regarding the deployment of slats?
• What does the hopper tank return oil feed into?
• What is the primary function of a ground proximity warning system?
• If the nose needs to move left, which way must the rudder move?
• How much higher should the cabin pressurization be set compared to the field pressure altitude?
• What is a necessary condition for structural icing to form during flight?
• Why does an engine produce more power in cold temperatures compared to warm temperatures?
• Which airplanes typically use chine tires?
• What is one purpose of a fuel tank boost pump?
• What is the maximum allowable flight hours for a flight engineer under Part 121 in a ninety-day period?
• What does the pop-out indicator on some hydraulic filters signify?
• What type of construction strengthens the tire sidewalls and protects the cord body?
• What is the significance of the 45 minutes of fuel remaining after jettisoning?
• What direction does the left aileron move when the control wheel is turned to the left?
• In terms of compressor RPM, how does it affect engine performance?
• How much time do you have to don and use your oxygen mask?
• Above what altitude should a diluter-demand regulator provide only oxygen?
• What type of relay will disconnect the generator from the main bus when generator voltage drops below battery voltage?
• What do thermistors in an electrically heated windshield system do?
• What does recent training on magnetized materials encompass for flight engineers?
• What effect does high voltage and low current have on wiring requirements?
• In what configuration do leading edge flaps serve as part of the wing trailing edge?
• What potential problem can moisture cause in a pneumatic system?
• What is the Mach Number a ratio of?
• In what type of flight are inboard ailerons primarily used?
• What happens during the intake phase of a continuous combustion cycle in a turbine engine?
• What is a risk when servicing an oxygen system?
• What is a key limitation of MIL-H-5606 hydraulic fluid?
• When should the Interior Emergency Exit Lights be armed?
• What should the oxygen diluter be set to during a smoke in the cockpit situation?
• What mechanism is included in a variable stroke type pump to prevent overload?
• Which of the following is a major negative characteristic of the electrolyte in a lead-acid battery?
• Which principle is used to operate a hydraulic fuse?
• What type of lights illuminate to guide passengers during an emergency evacuation?
• Under what condition may an aircraft operate under CFR 91 when carrying passengers or cargo?
• What is a drawback of using aviation gasoline mixed with jet fuel?
• What is a potential consequence of using the wrong type of fire extinguisher on a fire?
• What is the purpose of the differential pressure across aileron balance panels?
• What does a triangle symbol indicate regarding combustibles?
• What typically occurs to the airplane's movement when maintained in a neutral trim position?
• What does the ashless in ashless dispersant oil refer to?
• When the landing gear of an airplane moves rearward upon gear retraction, what happens to the center of gravity (CG)?
• When deicing the wings, in what direction should the sweeping motion occur?
• Which factor is most significant when determining optimum cruise altitude?
• What condition can lead to the performance issues in turbine engines due to fuel mixture?
• What is the primary purpose of an oil-to-fuel heat exchanger?
• In which of the following conditions is supercooled rain likely to occur?
• What is the purpose of leading edge slats on high-performance wings?
• What is a characteristic of SAE and ISO Type II fluids?
• When the Pt2 probes are blocked, what could happen during takeoff?
• Which characteristic describes the currently used Skydrol 500B fluid?
• What role do balance panels play when ailerons are deflected during flight?
• How is corrosion below aluminum typically indicated?
• When will the landing gear position warning system provide a warning in the cockpit?
• What does the general deicing precaution emphasize about the application?
• What phenomenon is associated with sweptback wings?
• What is the main function of an outflow valve in a pressurization system?
• Which statement is correct regarding leaking refrigerant R-12?
• When should altimeters be set to the current reported setting of a station along the route?
• What is the primary function of a rotary inverter?
• What happens to a Class D combustible metal fire when water is applied?
• What is a primary function of flight spoilers?
• If someone has never served on a turbojet, what type of training do they require to qualify as a flight engineer?
• What role do flap settings play in an aircraft's landing gear system?
• How does a hydraulic accumulator aid during multiple unit operations?
• What do chines on an aircraft do regarding water or slush?
• What happens to the total voltage when batteries are connected in series?
• What types of pressure control systems use reference changer air pressure?
• What is the nominal voltage rating of a fully charged nickel-cadmium battery with twenty cells?
• In terms of battery management, what do high temperatures indicate?
• How is cabin pressurization primarily controlled?
• Which function does an AC generator control unit NOT perform?
• What happens to the true airspeed if the outside air temperature increases during a flight at constant power and altitude?
• How can residual voltage be described?
• What is the primary function of an electrical relay?
• What component of the antiskid system allows for full braking action during taxiing and parking?
• What is grounds for revoking a flight engineer's airman certificate?
• What happens when ordinary class A extinguishing material is used on a class D fire?
• What chemical is used as the electrolyte in nickel-cadmium dry cells?
• What condition might cause a high EGT in a gas turbine?
• Why should synthetic hydraulic fluid be stored in an airtight container?
• What is a main feature of nonpetroleum base hydraulic fluids like Skydrol?
• What is the correct order of extinguisher classes A, B, C, D?
• Leading edge flaps primarily increase which characteristic of the wing?
• What action can be taken to ensure braking efficiency during descent?
• How may pressure from an engine-driven hydraulic pump be regulated?
• What potential issue can result from an oxygen stator malfunction?
• What is the primary use of the Mach number in aviation?
• What is a primary reason pilots choose to fly at altitudes above 36,000 feet?
• Which component is most often used to ensure that the hydraulic system's fluid is free from foam?
• In the context of aircraft speed, what is ram air temperature influenced by?
• What precaution must be taken if a tire is observed with significant shoulder wear?
• During which condition would the center of pressure typically move forward?
• Which condition can lead to a false high EPR reading while on the ground or in flight?
• What indicator is used to check for icing conditions in fuel?
• What is required for FEX to fly as a second-in-command (SIC)?
• How does the ram effect influence thrust at higher speeds?
• What is the status of a flight engineer certificate unless suspended or revoked?
• Which hydraulic fluid is rust-inhibited and belongs to the MIL-H-5606 series?
• Which of the following is considered a secondary flight control?
• Which type of circuit breaker is designed to prevent being held closed if a fault occurs?
• What should be monitored to prevent hot section burnout during engine starts?
• Who may receive a Crewmember Certificate issued by the FAA?
• Which condition is most likely to activate the landing gear warning signal?
• What is the requirement to maintain recency of experience for flight engineers?
• What is the primary function of optical smoke detectors on the flight engineer panel?
• What happens to the right aileron when the control wheel is moved left?
• Which is the main advantage of an APU's centrifugal flow compressor?
• What effect does closing the outflow valve have during cabin rate of climb?
• What causes an airplane to slip when entering a turn?
• What minimum information must be on a dispatch release for a domestic air carrier?
• If a flight engineer's certificate is revoked, when can they reapply for the same type?
• What is a characteristic of a non trip-free circuit breaker?
• What effect does turning from a direct headwind to a direct tailwind have on indicated airspeed?
• Maintaining aileron effectiveness at high speed is a function of which component?
• Which gas is commonly used as a propellant in installed fire extinguishing systems?
• What is indicated by a star with the letter D on a fire extinguisher?
• What happens to Skydrol when it comes in contact with a heat source?
• What is one maintenance function a flight engineer may perform according to regulations?
• Experience requirements for Flight Engineer must be satisfied on which type of aircraft?
• During an IFR flight, who may perform flight engineer duties if incapacitated?
• In which section of the gas turbine does the highest gas volume typically occur?
• What failsafe must exist for the third gyroscopic bank-and-pitch indicator in an aircraft?
• What does a vapor cycle cabin air-conditioning system utilize to carry away cabin heat?
• What happens if the altimeter is set to 29.82 instead of 28.82?
• Why can't charge levels be determined solely by checking the electrolyte specific gravity in nickel-cadmium batteries?
• Which of the following is considered a primary flight control?
• What type of fluid typically remains effective at lower temperatures compared to its counterparts?
• What are the three sources from which ventilating air may come?
• What connection is there between the rotor and armature in a permanent magnet inverter?
• What is an advantage of using Skydrol hydraulic fluid?
• What roles do lift decreasing devices fulfill in aircraft operation?
• If an aircraft has a fuel leak, which publication should be consulted?
• What aspect of ailerons is crucial in low-speed flight?
• Above what cabin altitude must oxygen be provided for all crewmembers during the entire flight?
• In a fire detection context, what typically happens if both junctions of a thermocouple are heated at the same rate?
• What advantage does a stabilizer and elevator located at the top of the vertical fin provide?
• V one, V R, and V two are referred to as which type of airspeeds?
• What consideration should be made regarding the fuel/air mixture in the space above the fuel in the tanks during refueling?
• Why are outboard ailerons used primarily for slow-flight speeds in some airplanes?
• How many liters are equivalent to 1840 gallons?
• What type of gas is typically used to service emergency pneumatic system gas-storage bottles?
• Why is the exhaust turbine bearing considered the most critical lubricating point in a gas turbine engine?
• Under which condition does the landing gear warning signal activate?
• What formula determines index units?
• What is a key advantage of using a chemical oxygen system over a gaseous one?
• What is a disadvantage of a chemical oxygen system compared to a gaseous oxygen system?
• If an engine catches fire during start, what should be the immediate action?
• What happens to the airflow when leading edge flaps are extended?
• What component is typically found in the brake system to counteract brake fade?
• What type of aircraft does a flight engineer primarily support in operations?
• What is the purpose of using anti-ice air in the engine nose dome?
• At what speed does ram recovery typically occur in most engines?
• What does a hydraulic pressure gauge indicate when the charge in a diaphragm-type accumulator is lost?
• Why is the temperature of one hundred and ten degrees Fahrenheit significant?
• How does a High Rate of Discharge system affect the zone it is discharging into?
• What is the purpose of a K.V.A.R. meter?
• What is the term for training required for the specific version of an aircraft?
• What components are included in an air-cycle cooling system?
• Where must the flight engineer's quick donning oxygen equipment be located when operating above flight level two five zero?
• What is the result of precipitation static on an aircraft?
• What is indicated by the Mach meter reading?
• A decrease in holding time would typically be seen as?
• Where is the tropopause typically higher?
• How is emergency fuel jettisoning typically accomplished?
• If two lead-acid twelve-volt batteries are connected in series, what is the total voltage output?
• How do turbine nozzles convert energy in the gas flow?
• What happens to the air temperature rise in icing conditions if the aircraft speed is high?
• What tendency occurs as an aircraft's speed increases from static conditions related to engine thrust?
• Which hydraulic operation usually employs a double-acting, balanced linear actuator?
• What could be a major consequence of improperly applied de-icing fluids?
• What is the primary difference between a relay and a solenoid?
• In what direction do anti-servo tabs move relative to the primary control surface?
• Why should safety precautions similar to those taken during aircraft refueling be applied when servicing the oxygen system?
• What is an essential function of the landing gear control system?
• Which type of electrical circuits use watts for measurement?
• What are the primary flight control systems essential for controlling the aircraft?
• Which component in a high-pressure hydraulic system helps decrease brake pressure?
• Emergency circuits may be powered by holding which type of circuit breaker?
• What type of activity is authorized for flight crewmembers during descent through 12,000 feet?
• What does "fireproof" mean in terms of material used in aircraft?
• Who is responsible for preflighting the flight engineer oxygen equipment?
• What is one purpose of a brake debooster?
• What must pilots with a beard ensure when using an oxygen mask?
• What factor determines the maximum differential pressure in a pressurized cabin?
• What effect does atmospheric pressure decreasing have on the differential metering valve?
• When should fuel heaters be operated to avoid engine flame-out?
• Which fire extinguishing agent is considered safest for use in turbojet airplanes based on toxicity and corrosion?
• What does the electrolyte level in a nickel-cadmium battery need to be maintained above?
• Which component protects against excessive tire pressure in aircraft wheels?
• What is an advantage of using 115 volt 400 cycle alternating current?
• What is the shape of fire extinguishers intended for use on flammable liquids?
• When heated water is used in the deicing process, when must the second step be performed?
• What safety device is actuated by the compression and extension of a landing gear strut?
• What role does centrifugal force play in flight during a turn?
• How does Total Air Temperature (TAT) differ from Static Air Temperature (SAT)?
• What is the primary reason for the fire and explosion hazard associated with certain chemicals?
• Which direction do the ailerons move when the control wheel is turned left?
• Which components are essential to a basic air-cycle cooling system?
• Why should shutting an engine down by turning off the boost pumps and closing the airplane's fuel valve be used during emergencies only?
• On most engines, ram recovery occurs above how many knots?
• In the context of cabin pressurization, what is the role of the outflow valve?
• What is the total voltage of two lead-acid twelve-volt batteries connected in series?
• What is the function of the nozzle diaphragm in a turbine engine?
• What color indicates a high-pressure oxygen system bottle?
• Which condition will activate the landing gear warning signal?
• How important is the positioning and serviceability of the components in a smoke detection system?
• What oxygen flow condition should occur when the oxygen regulator selector is set to emergency?
• What neutralizes the electrolyte from a nickel-cadmium battery?
• What is the indicated speed of the engine high pressure compressor?
• When may rain repellent be applied to a windshield?
• With which gas is a hydraulic accumulator typically serviced?
• Which feature characterizes a trip free circuit breaker?
• Which of the following statements is true regarding anti-icing operations?
• What controls the opening of the outflow valve in an aircraft?
• During the anti-ice phase of a two-step process, how can holding time be increased?
• Why should turbine engines normally be operated at idle for a period of time before shutdown?
• Under what conditions can an aircraft requiring flight engineer assistance operate?
• What indicates an expanded chemical oxygen generator?
• Which substance can be used to disinfect the face portion of an oxygen mask?
• What is the primary purpose of a transformer rectifier in an aircraft?
• What does the combined total of basic operating weight plus payload represent?
• How are battery cells connected in series to increase voltage?
• What happens to a circuit breaker when the current exceeds its predetermined value?
• How does a magnetic circuit breaker operate?
• What type of voltage regulator uses a variable resistance element for controlling DC generator field current?
• Can a person with a physical deficiency perform flight engineer duties under CFR part 67?
• How is an electrical relay best described?
• Which agent is best for quickly extinguishing an electrical fire?
• When does power application cause the most significant change in airplane trim and stability?
• What is the recommended initial action to recover from a compressor stall?
• What unit of power is used in direct current electrical circuits?
• What is the function of the dump valve in a pressurized system?
• What is the minimum age requirement to obtain a Flight Engineer certificate?
• What happens to the pointer of a wattmeter when the current direction is reversed?
• Which type of chemical agents are generally considered corrosive to sensitive electronic components?
• Why are turbine fuels more prone to water contamination compared to aviation gasoline?
• What is the minimum glycol content required in Type one de-icing/anti-icing fluid?
• What must be checked for operation during pre-flight inspections related to emergency exit lights?
• What is the primary reason for having differences training?
• What should be grabbed to neutralize a lead-acid battery spill?
• Which of the following is a key indicator of the state of a nickel-cadmium battery?
• What is defined as the absolute ceiling in aviation?
• What condition is optimal for detecting icing conditions?
• What is an effect of ice, snow, or frost formation on an airplane?
• What does "cruise altitude" primarily depend on?
• What is the effect of increased static pressure in a turbine engine?
• What type of oxygen system do passengers typically use?
• What is the first recommended method for removing Skydrol from skin?