Pressurization is normally maintained by: a) Controlling the amount of air entering the cabin. b) Controlling the amount of air escaping the cabin. c) Modulating the temperature of the cabin temperature controller. d) Manipulating the throttles.
The normal outflow valve control modes are: a) Ground taxi mode. b) Prepressurization mode. c) Flight, descent and landing modes. d) All of the above.
Both throttles are advanced above 85% N2 on the ground. The outflow valves slowly close, driving cabin pressure below field altitude. This is the: a) Flight mode b) Ground mode c) Prepressurization mode d) None of the above.
What OPENS the two outflow valves to climb the cabin? a) AUTO uses the digital cabin pressure Controller to meter ejector vacuum to the climb solenoid of the primary valve. b) The cabin dump switch sends DC power to the climb solenoid and the cabin rises to the 14,500 feet cabin altitude limit valve. c) With the manual switch selection and using the red knob to manually meter ambient low pressure air to the secondary valve. d) All of the above.
What CLOSES the two outflow valves to dive the cabin? a) AUTO uses digital cabin pressure controller to meter service air pressure or cabin air to close the primary valve. b) In the MANUAL switch position, using the red knob to manually meter cabin pressurized air to the secondary valve. c) None of the above. d) A and B.
If control vacuum becomes excessive in flight, cabin altitude: a) Explosively decompresses to cruise altitude. b) Will remain at present altitude. c) Rises to the maximum altitude limit valve setting of 13,000 ± 1500 ft, where cabin pressure enters the valve reducing vacuum effect and the cabin altitude should not exceed 14,500 feet. d) Decreases to a value as determined by the MAX differential pressure valve setting.
The source of bleed air for cabin pressurization when the EMERG PRESS light is illuminated in flight is: a) Vapor cycle air. b) The left engine. c) Either or both engines. d) Ram air flow.
The DC-powered pressure controller modes are: a) Isobaric mode. b) Auto mode. c) Manual mode. d) a and b above.
If the No. 1 ADC fails in flight: a) The controller amber light illuminates and CA switches to FL isobaric mode. b) It remains in the CA AUTO mode. c) Only manual control remains. d) It automatically switches to the EXER mode.
During taxi, the controller is set to: a) Destination field elevation. b) Cruise plus 1000 feet in the FL mode. c) Field pressure altitude plus 500 feet. d) 300 feet to 500 feet per minute on the cabin rate of climb control.
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