更多"[单选题]Elevator，aileron，Spoiler is___"的相关试题:
[单选题]Which hydraulic system is used for aileron?
A. Green and blue system
B. Green and yellow system
C. Blue and yellow system
[单选题]Which hydraulic system is used for spoiler?
A. Green system is used for 1 and 5, yellow system is used for 2 and 4, blue system is used for 3
B. Green system is used for 1 and 5, blue system is used for 2 and 4, yellow system is used for 3
C. Yellow system is used for 1 and 5, green system is used for 2 and 4, blue system is used for 3
[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 true about spoiler's surfaces will automatically extend in case of a rejected takeoff.
A. If the ground spoilers are armed and the speed exceeds 72 kt, the ground spoilers will automatically extend as soon as both thrust levers are reset to idle.
B. If the ground spoilers are not armed and the speed exceeds 72 kt, the ground spoilers will automatically extend as soon as reverse is selected on one engine (the other thrust lever remains at idle).
C. all of the above
[单选题]When should the pilot get the spoiler armed and extend the takeoff flaps?
A.After one engine started
B.At the rolling phase
C.After two engines started
[单选题]If one elevator fails, the deflection of the remaining elevator is limited in order to _____
A. avoid putting excessive asymmetric loads on the horizontal tailplane
B. avoid putting excessive asymmetric loads on the rear fuselage.
C. all of the above
[单选题]The maximum elevator deflection is _____ ° nose up, and ______ ° nose down.
A. 30°；30°
B. 30°；17°
C. 17°；17°
