Pneumatic, Pressurization, Environmental

Question 1

What is the purpose of the safety relief valve

Answer 1

To provide pressure relief in the event of a malfunctioning outflow valve.

Control of the dump switch.

Keep aircraft unpressurized on the ground.

Question 2

Door seal and emergency exit psi

Answer 2

4 psi

Question 3

De-ice boot psi

Answer 3

18 psi

Question 4

In manual mode, how long does it take the valves to move from full hot to full cold?

Answer 4

60 seconds, 30 seconds for each valve

Question 5

Describe the electrical heating system

Answer 5

4 heating elements on low or ground and 8 in high. 1000 watts each.

Question 6

What altitude does the CABIN HI light come on

Answer 6

12,500

Question 7

Engine anti-ice should be used:

Answer 7

In visible moisture and outside air temperature is 5c degrees or below.

Question 8

Cabin ^P (delta P) range

Answer 8

0-5.0 psi

Question 9

Pneumatic pressure gauge range

Answer 9

12-20 psi, red line 20 psi

Question 10

Gyro suction normal range up to FL150

Answer 10

4.3-5.9

Question 11

Gyro suction range FL150 to FL350

Answer 11

2.8-4.3