更多"[单选题]Which of the following is corr"的相关试题:
[单选题]Which of the following is correct about the rated N1 mode?
A. An automatic reversion to rated N1 mode occurs in the event of loss of sensed EPR. This occurs when P2 (engine inlet total pressure) and/or P5 (LP turbine exit total pressure) engine parameters are not available.
B. The FADEC will determine N1 power setting as a function of TLA, altitude and engine inlet total temperature. The rated N1 mode can also be manually selected through the ENG N1 MODE pb-sw on the overhead panel.
C. Both of the above are correct.
[单选题]Which of the following is correct about safety valve?
A.Its function is to prevent excessively positive or negative differential pressure
B. It’s under pneumatic control.
C.All of the above
[单选题]Which of the following is correct about continuous ignition?
A. Continuous ignition is selected automatically when the ENG ANTIICE pb-sw or approach idle is selected.
B. Continuous ignition will also be engaged if max takeoff thrust (EPR or rated N1 mode) or FLEX takeoff thrust (EPR mode) is selected, or when EIU data (ignition or bleed configuration information)is not available.
C. Both of the above are correct.
[单选题]Which of the following is correct about the limitations of the starter on IAE V2500 A5engines?
A. 2 cycles of 2 min each, followed by a 3rd cycle of 1 min. 15 s pause between start attempts.
B. Cooling period, following 3 start attempts or 4 min of continuous cranking: 30 min.
C. Both of the above are correct.
[单选题]Which of the following is correct about no running engagement of the starter?
A. when N2 is above 10% on ground, and 18% in flight.
B. when N2 is above 10% on ground, and 10% in flight.
C. when N2 is above 18% on ground, and 10% in flight.
[单选题]Which one of the following is correct about ventilation system in normal operation?
A. The open-circuit and close-circuit configuration operate in accordance with on-ground threshold
B. According to in-flight threshold, It can operate in close-circuit and intermediary configuration
C. All of above
[单选题]Which one of the following is correct about hot air pushbutton on air conditioning panel?
A. Off: The FAULT circuit is reset.
B. FAULT: air regulation valve automatically open
C. FAULT light goes on when air regulation valve doesn’t work.
[单选题]Which one of the following is correct about automatic pressurization system failure?
A. Select manual position switch when failure, regulate vertical speed to control up or down of the switch.
B. Air outlet valve can’t be automatically open when it connects ground during MANUAL PRESSURE CONTROL MODE
C. All of above
[单选题]Which of the following is correct?
A. Can’t control HP valve position by means of cockpit bleed panel
B. If bleed valve is open; HP valve will automatically open
C. If upstream air pressure is low, HP valve will be turned off by pneumatic system
[单选题]which of the following is true about spoiler
A. When a spoiler surface on one wing fails, the symmetric one on the other wing is inhibited.
B. If the system loses hydraulic pressure, the spoiler retains a lesser deflection if aerodynamic forces push it down.
C. all of the above
[单选题]Which of the following is incorrect about preventing A320 family aircraft engine fan skin loss?
A.Maintenance personnel must seriously comply with fan skin open/close procedure in AMM and fill in FLB about each time closing fan skin.
B. Flight crew must seriously follow the check requirements in FCOM PRO-NOR-SOP-05, check and confirm engine fan fairing is closed and sealed in each time before takeoff check.
C.Flight crew must consult FLB in cockpit preparation and should pay special attention to fan fairing status in walk-around inspection when there is fan skin open/close related maintenance work recorded.
D.Flight crew does not need to care about A320 family aircraft engine fan skin.
[单选题]which of the following is true about the available configuration in takeoff or go-around
A. 1+F，2，3 can be used for takeoff
B. 3 and all can be used for go-around
C. all of the above
[单选题]Which of the following is true about the supply to AC ESS BUS
A. The AC ESS BUS is normally supplied by AC BUS 1. It is automatically supplied by AC BUS 2, when AC BUS 1 is lost.
B. In case of a total loss of the main generators, the AC ESS BUS is automatically supplied by the emergency generator, or by the static inverter, if the emergency generator is not available.
C. all of the above
[单选题]which of the following is true about the flight control computers
A. 2 ELACs,2 SECs, 3 FACs
B. 2 ELACs,3 SECs, 2 FACs
C. 3 ELACs,2 SECs, 2 FACs
[单选题]Which of the following is true about the cargo smoke detection？
A. The cargo compartments have a smoke detection system；Cavities in the cargo compartment ceiling panels each hold two smoke detectors.Each detector is linked to one of the two detection loops (dual loop principle).
B. The cargo compartments have a smoke detection system；Cavities in the cargo compartment ceiling panels each hold one smoke detector.Each detector is linked to one of the two detection loops (dual loop principle).
C. The cargo compartments have two smoke detection systems；Cavities in the cargo compartment ceiling panels each hold two smoke detectors.Each detector is linked to one of the two detection loops (dual loop principle).
[单选题]which of the following is wrong about pitch trim？
A. Following nosewheel touchdown, as the pitch attitude becomes less than 2.5 ° for more than 5 s, pitch trim is automatically reset to zero.
B. The “PITCH TRIM” legend will become amber, if the pitch trim jams.
C. moving the pitch trim wheel beyond a certain threshold cannot disconnect the autopilot
[单选题]which of the following is true about the rudder trim ?
A. In manual flight, the pilot can apply rudder trim with the rotary RUD TRIM switch on the pedestal.
B. With the autopilot engaged, the FMGC computes the rudder trim orders. The rudder trim rotary switch and the rudder trim reset pushbutton are not active.
C. all of the above
[单选题]Which of the following is true about the lavatory smoke detection and extinguishing？
A. Each lavatory wastebin has an automatic fire extinguishing system.
B. When a detector finds smoke in a lavatory, it sends a signal to the CIDS, which transmits it to the Flight Warning Computer (FWC), for Warning in the cockpit, and generates an indication in the cabin.
C. all of the above
