更多"[单选题]What is the purpose of the hyd"的相关试题:
[单选题]What is the purpose of the Temperature Control Thermostat?
A.A. To send a pneumatic signal to control the FAV
B.B. To send a pneumatic signal to the OPV in case of overpressure
C.C. To send a pneumatic signal to control the PRV
D.D. To send a pneumatic signal to control the HPV
[单选题]What is the purpose of the avionics ventilation system in the avionics bay?
A.A. To avoid avionics bay structural damage
B.B. To ensure the heating of the avionics bay
C.C. To ventilate the avionics equipment
[单选题]What is the purpose of the zone controller?
A.A. To control zone temperature
B.B. To control the flow control valves
C.C. To control the packs
D.D. To control the APU
[单选题]What is the purpose of engine IP/HP switching?
A.A. To regulate the output pressure,depending on FAV position
B.B. To keep air bleed at a sufficient pressure at low engine speed
C.C. To regulate the output temperature,depending on the configuration of users
[单选题]Which hydraulic system powers normal landing gear operation?
A.A. Green systems
B.B. Blue systems
C.C. Yellow systems
D.D. Blue and yellow systems
[单选题]Which hydraulic systems are pressurized by an engine driven pump?
A.A.Blue and Green
B.B.Yellow and Blue
C.C.Green and Yellow
D.D.Blue,Yellow and Green
[单选题]Which hydraulic system powers normal braking?
A.A. Green systems
B.B. Blue systems
C.C. Yellow systems
D.D. Red systems
[单选题]The cargo doors hydraulic system is pressurized by the:
A.A.Green electric pump
B.B.Yellow electric pump
C.C.Blue electric pump
D.D.Red electric pump
[单选题]How many hydraulic systems power the rudder?
A.A.One
B.B.Two
C.C.Three
D.D.None
[单选题]The purpose of a（ ）is to provide lateral guidance about the runway centerline to landing
A.A、 localizer station
B.B、glide slope station
C.C、marker beacon station
D.D、DME
station
[单选题]The purpose of a localizer station is to provide（ ）about the runway centerline to landing aircraft.
A.A、lateral guidance
B.B、vertical guidance
C.C、 distance informati on
D.D、 directio n guidance
[单选题]The purpose of a（ ）is to provide vertical guidance about the runway centerline to landing
A.A、 localizer station
B.B、glide slope station
C.C、marker beacon station
D.D、DME
station
[单选题]The purpose of a glide slope station is to provide（ ）about the runway centerline to landing aircraft.
A.A、lateral guidance
B.B、vertical guidance
C.C、 distance informati on
D.D、 directio n guidance
[单选题]What happens if DMC 1 fails?
A.A.DMC 3 automatically replaces DMC 1
B.B.DMC 3 must be manually transferred
C.C.Nothing
[单选题]What happens if one FWC fails?
A.A.All the warnings are lost
B.B.Only red warnings are lost
C.C.No warnings are lost
[单选题]What controls the landing gear normal operating sequence?
A.A. Either LGCIU in trun
B.B. Both LGCIUs simultaneously
C.C. LGCIU 1 only
D.D. The crank handle
[单选题]What is the normal retraction sequence?
A.A. Door open,gear up,door close,cancel gear up signal
B.B. Door close,gear up,door open,maintain gear up signal
C.C. Door open,gear up,door close,cancel door close signal
D.D. Door close,gear up,door open,maintain gear up signal
[单选题]What condition will cause continuous relight?
A.A. EIU failure
B.B. manual start
C.C. reselect the mode SW to IGN/START with engine running
D.D. auto start
[单选题]What indicates an OXY overboard discharge?
A.A. A warning on the oxygen control panel 21VU
B.B. The direct reading pressure gauge on the oxygen cylinder
C.C. A red indicator
D.D. A yellow indicator
