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AIRCRAFT FUEL SYSTEM
70問 • 1年前
  • Jude Sibolinao
  • 通報

    問題一覧

  • 1

    To prevent vapor lock in fuel lines at high altitude, some aircraft are equipped with:

    Booster pumps

  • 2

    A fuel system must be designed to prevent fuel-vapor ignition caused by:

    lightning

  • 3

    What minimum required markings must be placed on or near each appropriate fuel filler cover on utility category aircraft?

    The word 'AvGas' and the minimum fuel grade

  • 4

    What are the four general types of fuel quantity gauges?

    Sight glass, Mechanical, Electrical, Electronic

  • 5

    Which of the following is employed to maintain lateral stability when jettisoning fuel?

    Two separate independent systems

  • 6

    Flapper valves are used in fuel tanks to:

    act as check valves

  • 7

    A drip gauge may be used to measure:

    amount of fuel in the tank

  • 8

    (1) Gas turbine engine fuel systems are very susceptible to the formation of ice in the fuel filters (2) A fuel heater operates as a heat exchanger to warm the fuel

    Both no. 1 and no. 2 are TRUE

  • 9

    When installing a rigid fuel line, 1/2 inch in diameter, at what intervas should the line supported?

    16 inches

  • 10

    How may the antiknock characteristics of a fuel be improved?

    By adding a knock inhibitor

  • 11

    What type of remote-reqding fuel quantity indicating system has several probes installed in each fuel tank?

    Electronic

  • 12

    What type of fuel-booster pump requires a pressure relief valve?

    Sliding vane

  • 13

    Aircraft defueling should be accomplished

    In the open air for good ventilation

  • 14

    The electronic-type fuel quantity indicating system consists of a bridge circuit

    An amplifier, an indicator, and a tank unit

  • 15

    What is the recommended practice for cleaning a fuel tank before welding?

    Steam clean the tank interior

  • 16

    What is the purpose of flapper-type check valves in integral fuel tanks?

    To prevent fuel from flowing away from the boost pumps

  • 17

    Which of the following would be most useful to locate and troubleshoot an internal fuel leak in an aircraft fuel system?

    A fuel system schematic

  • 18

    A fuel totalizer is a component which indicates the:

    Amount of fuel in all tanks

  • 19

    A fuel temperature indicator is located in the fuel tanks on some turbine-powered airplanes to tell when the fuel may be:

    In danger of forming ice crystals

  • 20

    What flight safety-related advantage does a pressure fueling system provide?

    Reduces the chances for fuel contamination

  • 21

    When moving the mixture control on a normally operating engine into the idle cutoff position, engine RPM should

    Slightly increase before the engine starts to die

  • 22

    What precautions must be observed if a gravity-feed fuel system is permitted to supply fuel to an engine form more than one tank at a time?

    The tank airspaces must be interconnected

  • 23

    Entrained water in aviation turbine fuel is a hazard because of its susceptibility to freezing as it passes through the filters. What are common methods of preventing this hazard?

    anti-icing fuel additives and fuel heater

  • 24

    The use of turbine fuels in aircraft has resulted in some problems not normally associated with aviation gasolines. One of these problem is

    microbial contaminants

  • 25

    As a general rule, which statement is true regarding fuel leaks?

    Stains, seeps, and heavy seeps (in addition to running leaks) are considered flight hazards when located in unvented areas of the aircraft

  • 26

    (1) A fuel pressure relief valve is required on an aircraft positive-displacement fuel pump (2) A fuel pressure relief valve is required on an aircraft centrifugal fuel boost pump

    Only no.1 is TRUE

  • 27

    Integral fuel tanks on transport aircraft are:

    Formed by the aircraft structure

  • 28

    What is dielectric (nonconductong material) in a capacitance-type fuel quantity indicating system?

    Fuel and air in the tank

  • 29

    A capacitance-type fuel quantity indicating system measures fuel in:

    Pounds

  • 30

    Why are integral fuel tanks used in many large aircraft?

    To reduce weight

  • 31

    Fuel-boost pumps are operated:

    To provide a positive flow of fuel to the engine

  • 32

    What is the primary purpose of the crossfeed system?

    To allow the feeding of engine from any tank

  • 33

    When inspecting a duel system, you should check all valves located downstream of boost pumps with the pumps

    Operating

  • 34

    Which of the following is necessary to effectively troubleshoot a fuel pressure warning system?

    The manufacturer's maintenance manual

  • 35

    When routing a fuel line between two rigidly mounted fittings the line should:

    Have at least one bend between such fittings

  • 36

    An electrical-type fuel quantity indicating system consists of an indicator in the cockpit and a:

    Float-operated transmitter installed in the tank

  • 37

    If a bladder-type fuel tank is to be left empty for an extended period of time, the inside pf the tank should be coated with a film of

    Engine oil

  • 38

    How many vents, arranged so that they are not likely to become plugged at the same time, must be used in multiengine fuel systems?

    Two

  • 39

    The vapor pressure of aviation gasoline is

    Lower than the vapor pressure of automotive gasoline

  • 40

    What can be done to eliminate or minimize the microbial growth problem in an aircraft jet fuel tank?

    Use anti-icing and antibacterial additives

  • 41

    A transducer in a fuel pressure system serves what function?

    Converts fluid pressure directly through a transmitter to the indicator

  • 42

    A fuel pressure warning switch contacts close and warning light is turned on when

    The fuel pressure drops below specified limits

  • 43

    The location of leaks and defects within the internal portions of the fuel system can usually be determined by

    Observing the pressure gauge and operating the selector valves

  • 44

    A probe or a series of probes is used in what kund of fuel quantity indicating system?

    Capacitor

  • 45

    One advantage of electrical and electronic fuel quantity indicating system is that

    Several fuel tank levels can be read on one indicator

  • 46

    In an electronic-type fuel quantity indicating system, the tank sensing unit is a

    Capacitor

  • 47

    How does temperature affect fuel weight?

    Cold fuel is heavier per gallon

  • 48

    The presence of fuel stains around a fuel nozzle would indicate

    Clogged fuel nozzle

  • 49

    An aircraft's integral fuel tank is

    A part of the aircraft's structure

  • 50

    When fuel quantity is measured in pounds instead of gallons, the measurement will be more accurate because fuel volume

    Varies with temperature change

  • 51

    Which gas is used for purging an aircraft fuel tank?

    Carbon dioxide

  • 52

    Which of the following may be used for the repair of fuel leaks on most integral fuel tanks?

    Riveting and resealing

  • 53

    Fuel jettisoning past the limits prescribed by Federal Aviation Regulations is usually prevented by

    Dump limit valves or a low-level circuit

  • 54

    The type of fuel-boost pump that separates air and vapor from the fuel before it enters the line to the carburetor is the

    Centrifugal-type pump

  • 55

    What should be used to remove flux from an aluminum tank after welded repairs?

    5 percent solution of nitric or sulfuric acid

  • 56

    A fuel jettison system is required under certain conditions if the maximum takeoff weight exceeds the maximum landing weight. What regulations cover the requirements of fuel jettisoning?

    Federal Aviation Regulations Part 23, 25 and CAM 4b

  • 57

    What is the purpose of a float-operated transmitter installed a fuel tank?

    It sends an electric signal to the fuel quantity indicator

  • 58

    Why are centrifugal-type boost pumps used in fuel systems of aircraft operating at high altitude?

    To supply fuel under pressure to engine -riven pumps

  • 59

    One advantage of electrical and electronic fuel quantity indicating system is that the indicator

    Can be located an distance from the tank/s

  • 60

    (1) If aviation gasoline vaporizes too readily, fuel lines may become filled with vapor and cause increased fuel flow. (2) A measure of a gasoline's tendency to vapor lock is obtained from the Reud vapor pressure test.

    Only no. 2 is TRUE

  • 61

    (1) aon a large aircraft pressure refueling system, a pressure refueling receptacle and control panel will permit one person to fuel or defuel any or all fuel tanks of an aircraft (2) Because of the fuel tank area, there are more advantages to a pressure fueling sustem in light aircraft

    Only no.1 is TRUE

  • 62

    (1) A fuel heater can use engine bleed air as a source of heat (2) A fuel heater can use engine lubricating pil as a source of heat

    Both no.1 and no. 2 are TRUE

  • 63

    What must each fuel quantity indicator be calibrated to read during level flight when the quantity of fuel remaining is equal to the unusable fuel supply?

    Zero

  • 64

    What is the maximum vapor pressure allowable for an aircraft fuel?

    7PSI

  • 65

    What should be used to insert an integral fuel tank before attempting repairs?

    Carbon dioxide

  • 66

    The probe of a capacitance-type fuel level gauge is essentially a

    Capacitor with fuel and air acting as a dielectric

  • 67

    The purpose of the baffle plate in a fuel tank is to

    Resist fuel surging within the fuel tank

  • 68

    What unit would be adjusted to change the fuel pressure warning limits?

    Pressure-sensitive mechanism

  • 69

    What method is used on turbine-powered aircraft to determine when the condition of the fuel is approaching the danger of forming ice crystals?

    Fuel temperature indicator

  • 70

    Pressure fueling or aircraft is usually accomplished through

    At least one single point connection

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    問題一覧

  • 1

    To prevent vapor lock in fuel lines at high altitude, some aircraft are equipped with:

    Booster pumps

  • 2

    A fuel system must be designed to prevent fuel-vapor ignition caused by:

    lightning

  • 3

    What minimum required markings must be placed on or near each appropriate fuel filler cover on utility category aircraft?

    The word 'AvGas' and the minimum fuel grade

  • 4

    What are the four general types of fuel quantity gauges?

    Sight glass, Mechanical, Electrical, Electronic

  • 5

    Which of the following is employed to maintain lateral stability when jettisoning fuel?

    Two separate independent systems

  • 6

    Flapper valves are used in fuel tanks to:

    act as check valves

  • 7

    A drip gauge may be used to measure:

    amount of fuel in the tank

  • 8

    (1) Gas turbine engine fuel systems are very susceptible to the formation of ice in the fuel filters (2) A fuel heater operates as a heat exchanger to warm the fuel

    Both no. 1 and no. 2 are TRUE

  • 9

    When installing a rigid fuel line, 1/2 inch in diameter, at what intervas should the line supported?

    16 inches

  • 10

    How may the antiknock characteristics of a fuel be improved?

    By adding a knock inhibitor

  • 11

    What type of remote-reqding fuel quantity indicating system has several probes installed in each fuel tank?

    Electronic

  • 12

    What type of fuel-booster pump requires a pressure relief valve?

    Sliding vane

  • 13

    Aircraft defueling should be accomplished

    In the open air for good ventilation

  • 14

    The electronic-type fuel quantity indicating system consists of a bridge circuit

    An amplifier, an indicator, and a tank unit

  • 15

    What is the recommended practice for cleaning a fuel tank before welding?

    Steam clean the tank interior

  • 16

    What is the purpose of flapper-type check valves in integral fuel tanks?

    To prevent fuel from flowing away from the boost pumps

  • 17

    Which of the following would be most useful to locate and troubleshoot an internal fuel leak in an aircraft fuel system?

    A fuel system schematic

  • 18

    A fuel totalizer is a component which indicates the:

    Amount of fuel in all tanks

  • 19

    A fuel temperature indicator is located in the fuel tanks on some turbine-powered airplanes to tell when the fuel may be:

    In danger of forming ice crystals

  • 20

    What flight safety-related advantage does a pressure fueling system provide?

    Reduces the chances for fuel contamination

  • 21

    When moving the mixture control on a normally operating engine into the idle cutoff position, engine RPM should

    Slightly increase before the engine starts to die

  • 22

    What precautions must be observed if a gravity-feed fuel system is permitted to supply fuel to an engine form more than one tank at a time?

    The tank airspaces must be interconnected

  • 23

    Entrained water in aviation turbine fuel is a hazard because of its susceptibility to freezing as it passes through the filters. What are common methods of preventing this hazard?

    anti-icing fuel additives and fuel heater

  • 24

    The use of turbine fuels in aircraft has resulted in some problems not normally associated with aviation gasolines. One of these problem is

    microbial contaminants

  • 25

    As a general rule, which statement is true regarding fuel leaks?

    Stains, seeps, and heavy seeps (in addition to running leaks) are considered flight hazards when located in unvented areas of the aircraft

  • 26

    (1) A fuel pressure relief valve is required on an aircraft positive-displacement fuel pump (2) A fuel pressure relief valve is required on an aircraft centrifugal fuel boost pump

    Only no.1 is TRUE

  • 27

    Integral fuel tanks on transport aircraft are:

    Formed by the aircraft structure

  • 28

    What is dielectric (nonconductong material) in a capacitance-type fuel quantity indicating system?

    Fuel and air in the tank

  • 29

    A capacitance-type fuel quantity indicating system measures fuel in:

    Pounds

  • 30

    Why are integral fuel tanks used in many large aircraft?

    To reduce weight

  • 31

    Fuel-boost pumps are operated:

    To provide a positive flow of fuel to the engine

  • 32

    What is the primary purpose of the crossfeed system?

    To allow the feeding of engine from any tank

  • 33

    When inspecting a duel system, you should check all valves located downstream of boost pumps with the pumps

    Operating

  • 34

    Which of the following is necessary to effectively troubleshoot a fuel pressure warning system?

    The manufacturer's maintenance manual

  • 35

    When routing a fuel line between two rigidly mounted fittings the line should:

    Have at least one bend between such fittings

  • 36

    An electrical-type fuel quantity indicating system consists of an indicator in the cockpit and a:

    Float-operated transmitter installed in the tank

  • 37

    If a bladder-type fuel tank is to be left empty for an extended period of time, the inside pf the tank should be coated with a film of

    Engine oil

  • 38

    How many vents, arranged so that they are not likely to become plugged at the same time, must be used in multiengine fuel systems?

    Two

  • 39

    The vapor pressure of aviation gasoline is

    Lower than the vapor pressure of automotive gasoline

  • 40

    What can be done to eliminate or minimize the microbial growth problem in an aircraft jet fuel tank?

    Use anti-icing and antibacterial additives

  • 41

    A transducer in a fuel pressure system serves what function?

    Converts fluid pressure directly through a transmitter to the indicator

  • 42

    A fuel pressure warning switch contacts close and warning light is turned on when

    The fuel pressure drops below specified limits

  • 43

    The location of leaks and defects within the internal portions of the fuel system can usually be determined by

    Observing the pressure gauge and operating the selector valves

  • 44

    A probe or a series of probes is used in what kund of fuel quantity indicating system?

    Capacitor

  • 45

    One advantage of electrical and electronic fuel quantity indicating system is that

    Several fuel tank levels can be read on one indicator

  • 46

    In an electronic-type fuel quantity indicating system, the tank sensing unit is a

    Capacitor

  • 47

    How does temperature affect fuel weight?

    Cold fuel is heavier per gallon

  • 48

    The presence of fuel stains around a fuel nozzle would indicate

    Clogged fuel nozzle

  • 49

    An aircraft's integral fuel tank is

    A part of the aircraft's structure

  • 50

    When fuel quantity is measured in pounds instead of gallons, the measurement will be more accurate because fuel volume

    Varies with temperature change

  • 51

    Which gas is used for purging an aircraft fuel tank?

    Carbon dioxide

  • 52

    Which of the following may be used for the repair of fuel leaks on most integral fuel tanks?

    Riveting and resealing

  • 53

    Fuel jettisoning past the limits prescribed by Federal Aviation Regulations is usually prevented by

    Dump limit valves or a low-level circuit

  • 54

    The type of fuel-boost pump that separates air and vapor from the fuel before it enters the line to the carburetor is the

    Centrifugal-type pump

  • 55

    What should be used to remove flux from an aluminum tank after welded repairs?

    5 percent solution of nitric or sulfuric acid

  • 56

    A fuel jettison system is required under certain conditions if the maximum takeoff weight exceeds the maximum landing weight. What regulations cover the requirements of fuel jettisoning?

    Federal Aviation Regulations Part 23, 25 and CAM 4b

  • 57

    What is the purpose of a float-operated transmitter installed a fuel tank?

    It sends an electric signal to the fuel quantity indicator

  • 58

    Why are centrifugal-type boost pumps used in fuel systems of aircraft operating at high altitude?

    To supply fuel under pressure to engine -riven pumps

  • 59

    One advantage of electrical and electronic fuel quantity indicating system is that the indicator

    Can be located an distance from the tank/s

  • 60

    (1) If aviation gasoline vaporizes too readily, fuel lines may become filled with vapor and cause increased fuel flow. (2) A measure of a gasoline's tendency to vapor lock is obtained from the Reud vapor pressure test.

    Only no. 2 is TRUE

  • 61

    (1) aon a large aircraft pressure refueling system, a pressure refueling receptacle and control panel will permit one person to fuel or defuel any or all fuel tanks of an aircraft (2) Because of the fuel tank area, there are more advantages to a pressure fueling sustem in light aircraft

    Only no.1 is TRUE

  • 62

    (1) A fuel heater can use engine bleed air as a source of heat (2) A fuel heater can use engine lubricating pil as a source of heat

    Both no.1 and no. 2 are TRUE

  • 63

    What must each fuel quantity indicator be calibrated to read during level flight when the quantity of fuel remaining is equal to the unusable fuel supply?

    Zero

  • 64

    What is the maximum vapor pressure allowable for an aircraft fuel?

    7PSI

  • 65

    What should be used to insert an integral fuel tank before attempting repairs?

    Carbon dioxide

  • 66

    The probe of a capacitance-type fuel level gauge is essentially a

    Capacitor with fuel and air acting as a dielectric

  • 67

    The purpose of the baffle plate in a fuel tank is to

    Resist fuel surging within the fuel tank

  • 68

    What unit would be adjusted to change the fuel pressure warning limits?

    Pressure-sensitive mechanism

  • 69

    What method is used on turbine-powered aircraft to determine when the condition of the fuel is approaching the danger of forming ice crystals?

    Fuel temperature indicator

  • 70

    Pressure fueling or aircraft is usually accomplished through

    At least one single point connection