Enviornmental Flashcards
(10 cards)
With the pressurization source selector in the BOTH position, how many pounds per minute are available to pressurize and condition the cabin?
8 ppm
True or False? Selecting the FRESH AIR position on the pressurization source selector will depressurize the cabin.
True
The pylon precoolers cool the engine bleed air from 800 degrees to what temperature?
500F
Selecting the EMER position on the pressurization source selector will provide how much air to pressurize the cabin?
6 ppm
True or False? The air conditioning compressor will auto shed when you climb above FL 180.
False. It auto sheds with a gen failure while airborne.
What is the purpose of the FLOOD position on the environmental panel?
To divert all air out of a Flood Cooling vent at the top of pressure bulkhead.
With the temperature selector in the AUTO position, when will the compressor automatically disengage?
When the ram air modulating valve drives toward 70% closed
The AIR DUCT O’HEAT annunciator light will illuminate when the temperature in the duct between the cabin heat exchanger and the aft pressure bulkhead reaches what temperature?
300 Degrees F
With the flow divider in the MAX position, what is the distribution of the air to the cockpit and the cabin?
Crew 90% Cabin 10% (Normal is 60/40, increments of 10 between each position)
True or False? To use the defog fan, select either HI or LO on the defog switch and verify that the compressor i in the AUTO position?
True