Airconditioning Revision Questions

Question 1

The function of negative pressure relief valves is to -

A. Limit the cabin altitude to a value below or equal to the aircraft altitude
B. Limit the cabin pressure to a value above the outside ambient pressure at all times
C. Limit the maximum positive pressure differential
D. Limit the maximum rate of change of cabin pressure

Answer 1

A. Limit the cabin altitude to a value below or equal to the aircraft altitude

Question 2

The air conditioning system has a water separator designed to -

A. Dry out the moist cool air to prevent respiratory infections
B. Remove water which condensed in the system during the cooling process
C. Increase the humidity of the air flowing to the passenger cabin
D. Prevent ice forming in the ram duct

Answer 2

B. Remove water which condensed in the system during the cooling process