Presurization

Question 1

Rate knob ranges from:

Answer 1

50 to 2,000 FPM climb

30 to 1,200 FPM decent

Question 2

Index mark on rate knob indicates:

Answer 2

500 FPM climb

300 FPM decent

Question 3

When will the AUTO INOP light illuminate

Answer 3

Problem with auto control function or mode selector in manual

Question 4

When will cabin altitude light illuminate?

When does it extinguish?

Answer 4

Cabin alt exceeds 10,000 ft
When cabin altitude decreases below 8500 ft

In automatic mode, an aneroid switch closes the outflow valve automatically at 11,000 ft. The outflow valve reopens when the cabin altitude decreases below 9500 ft. cabin altitude

Question 5

When do positive pressure relief valves open

Answer 5

8.95 psi

Question 6

When do negative pressure relief valves open and where are they

Answer 6

-.3 to -.5 psi

Two each fwd and aft cargo door and one forward of positive pressure relief valve.

Question 7

Masks deploy at what cabin alt

Answer 7

14,000 feet