[单选题]Maximum altitude at which the landing gear may be extended is ____ft.
A.15000
B.20000
C.25000

[单选题]Maximum speed at which the landing gear may be retracted is ____kt.
A.220
B.250
C.280

[单选题]When landing gear and flaps not in landing configuration, with the excessive fall rates, the aural alert is:
A. A. “TERRAIN”
B. B. “DONT SINK”
C. C. “PULL UP”

[单选题]Landing gear down, and flaps not in landing configuration or, landing gear up, and flaps in landing configuration, the aural alert is:
A. A. “TOO LOW—TERRAIN”
B. B. “TOO LOW—GEAR”or“TOO LOW—FLAPS”
C. C. Both correct

[单选题]Maximum speed with landing gear extended is ____kt.
A.320
B.250
C.280

[单选题]When failed to open the main landing gear door, and "L/G GEAR NOT DOWNLOCKED" warning alarms, which of the following operation is wrong?
A.Crew must perform a complete landing gear recycle program, i.e. choose the landing gear lever to the UP position, then wait 60 seconds, and then select the landing gear lever to the DOWN position.
B.Before executing the L/G GRAVITY EXTENSION procedure, complete execution of landing gear recycle program must be done 5 times if needed.
C.If failed after 5 cycles, need to wait for 120s before executing L/G GRAVITY EXTENSION procedure.
D.Before the next attempt to start landing gear cycle process, crew must wait for 60s after landing gear lever in DOWN position.

[单选题]Maximum altitude is：
A. The altitude at which the airplane covers the maximum distance per kilogram (pound) of fuel (best specific range).
B. The highest altitude the aircraft can reach with step clim
C. The maximum altitude at maximum cruise thrust in level flight and maximum altitude at maximum climb thrust with 300 ft/min vertical speed and 0.3 g margin.

[单选题]The maximum normal cabin altitude：
A.8000Feet
B.9550+350Feet
C.14000Feet

[单选题]Maximum altitude of APU bleed for one pack is:
A. 39800ft
B. 15000ft
C. 22500ft

[单选题]Maximum altitude of APU bleed for two pack is:
A. 39000ft
B. 15000ft
C. 22500ft

[单选题]Maximum flight altitude when flaps/slats extended is:
A. 15000ft
B. 18000ft
C. 20000ft

[单选题]After landing on a contaminated runway, which stage is more probably to have the problem of directional control?
A. Low speeds
B. High speeds
C. Lift off or touchdown

[单选题]Which hydraulic system is used for landing gear?
A. Green system
B. Blue system
C. Yellow system

[判断题]4~20mA 的标准信号分成五等分校验分别为 0 mA、5 mA、10 mA、15 mA、 20mA。( )
A.正确
B.错误

[判断题]4～20mA的标准信号分成五等分校验分别为0 mA、5 mA、10 mA、15 mA、20mA
A.正确
B.错误

[单选题]LANDING WEIGHT is equal to：
A. takeoff weight minus trip fuel
B. takeoff fuel minus trip fuel and holding fuel
C. zero fuel weight

[单选题]The actual landing distance is calculated based on the assumptions that：
A. the approach speed is VLS for a manual landing and VLS + 5 for an automatic landing.
B. Maximum manual braking is applied and antiskid and all ground spoilers operative.
C. Both of the above.

[单选题]In case of aircraft failure affecting landing distance known before the dispatch, the required landing distance can be calculated by reference to
A. the FCOM or the MEL
B. the FCOM and the QRH
C. the MEL only