The source of bleed air for cabin pressurization when the EMER PRESS light is illuminated in flight is: a) Either the left or right engine. b) The left engine only. c) The right engine only. d) Ram air.
The systems that use pneumatic bleed air for operation are the: a) Emergency brakes and entrance door seal. b) Surface deice, thrust reversers, en- trance door seal, and ACM. c) Entrance door seal, ACM, and thrust reversers. d) Entrance door seal and ACM.
The flow control valves, when open allow engine bleed air to operate the: a) ACM. b) Windshield anti-ice. c) Entrance door seal. d) All of the above.
The entrance door seal air is supplied by: a) Regulated bleed air from the right engine only. b) Regulated bleed air from the left engine only. c) Regulated bleed air when either engine is operating. d) Regulated ram air.
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