Pressurization Flashcards
1
Q
Which relief valve prevents ambient pressure from exceeding cabin pressure by an excessive amount?
A
Negative pressure relief valve
2
Q
What warnings will occur if the cabin altitude exceeds 10,000 feet?
A
The cabin altitude warning horn sounds
3
Q
How many DC motors are able to control the outflow valve?
A
Three
4
Q
What are the indications of a single auto controller failure?
A
AUTO FAIL light illuminated
ALTN light illuminated
5
Q
When does the cruise phase of the pressurization system start?
A
When the aircraft is within .25 PSI of the altitude set in the FLT ALT window.
