Avionics ventilation Flashcards
1
Q
Where does the air come from for the avionics vent system?
A
Air recirculated from the cabin
2
Q
When the ditching pb is pressed, what position are the underfloor extract and ovbd extract valves in?
A
ovbd extract valve is closed, underfloor v/v is open
3
Q
How is a flow of air made available for pack bay vent on the ground and in flight?
A
On ground, a turbofan. In the air, a naca air inlet
4
Q
What happens when the extract pb is set to ovrd
A
underfloor extract valve closes, ovbd valve partly opens
5
Q
In flight, with extract pbs set to auto, what is the position of the underfloor and ovbd extract valves??
A
ovbd extract valve is closed, underfloor valve is open.
