In which situation, hydraulic system B can be used to retract th
2023-12-01HNA B737 license test ENGLISH
In which situation, hydraulic system B can be used to retract the landing gear?
A.System A pressure is low and LANDING GEAR lever is UP.
B.The alternate nosewheel switch is OPEN
C.Airborne； No.1 engine drops below a limit value and either main landing gear is not up and locked with landing gear lever is positioned UP.
D.Airborne；No.1 engine-driven hydraulic pump fails and either main landing gear is not up and locked with landing gear lever is positioned UP.
正确答案是C
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