Pneumatics

Question 1

Bleed air for the pneumatic system is extracted from engine pressure station _______.

Answer 1

P3

Question 2

18 PSI regulated bleed air is used for the operation of _________ system

Answer 2

1. Surface device boots
2. Bleed air warning system
3. Door seal
4. Hydraulic power pack assembly

Question 3

How can one determine if a pneumatic bleed air valve has closed completely?

Answer 3

Place both switches in the PNEU & ENVIR OFF position and observe zero pneumatic pressure.