A、Six vertical-load and four side-load rollers.
B、Four vertical-load and two side-load rollers.
C、Two vertical-load and four side-load rollers.
答案：A
A、Six vertical-load and four side-load rollers.
B、Four vertical-load and two side-load rollers.
C、Two vertical-load and four side-load rollers.
答案：A
A. On the actuator offset gearbox.
B. On the actuator drive lever.
C. On the steady bearings
A. Pressing the INT transmission key and with the INT/RAD selector switch to neutral position.
B. Either setting the INT/RAD selector to INT,or pressing the INT transmission key and setting the INT/RAD selector switch to RAD.
C. Pressing any radio transmission key and INT transmission key together.
A. GEN 1 supplies AC BUS 1 and GEN 2 supplies AC BUS 2.
B. APU GEN or EXT PWR or one GEN supplies AC BUS 1 and AC BUS 2.
C. APU GEN supplies AC BUS 1 and EXT PWR supplies AC BUS 2.
A. ISA + 15℃ （59°F）
B. ISA + 30℃ （86°F）
C. ISA + 59℃ （138°F）
A. During ECS Operation.
B. During Main Engine Start.
C. On ground.
A. The oil flows through the bypass valve and the backup filter.
B. The IDG oil temperature increases.
C. The engine oil temperature incresases.
A. Can be de-activated by pressing the LOCp/b.
B. Can be de-activated by a GO-AROUND engagement.
C. Can be de-activated if the APPR pushbutton is pressed.
A. It is retracted by the biased servo valve.
B. It is retracted by aerodynamical forces and locked.
C. It is locked and stop in its actual position.
A. A locking pin on the sliding window frame
B. The sliding window operating handle
C. None
A. No, they are always open.
B. Yes, by the Automatic Selector.
C. Yes, when braking by the accunulator only.
