A、The yellow hydraulic pressure is available to operate the door.
B、The door is fully open and locked.
C、The door is correctly unlatched and unlocked.
答案：B
A、The yellow hydraulic pressure is available to operate the door.
B、The door is fully open and locked.
C、The door is correctly unlatched and unlocked.
答案：B
A. Green system.
B. Yellow system.
C. Blue system.
A. HOT AIR pushbutton is set to OFF
B. PACK2 pushbutton is set to OFF
C. PACK1 pushbutton is set to OFF
A. AC BUS 1.
B. AC BUS 2.
C. Emergency Generator.
A. The Ground Power Control Unit has tripped the external ground cart.
B. The external ground cart is connected to the aircraft network.
C. The external ground cart can be connected to the aircraft network.
A. In flight, not on ground.
B. In icing conditions only.
C. Normal heating in flight,low heating on ground.
A. On Capt ND and F/O PFD.
B. On Capt PFD and F/O ND.
C. On F/O PFD and F/O ND .
A. The FCU BITE
B. The CFDS
C. The VSC BITE
A. Air (vent), water, hydraulic and fuel.
B. Water and fuel.
C. Hydraulic and fuel.
A. To refer to another MMEL part.
B. A maintenance procedure described in the MMEL.
C. A mechanical problem.
A. When N2 is above 12%.
B. When an engine is started.
C. Only if the Aircraft Electrical Power fails.
