Q 80: Once set to “ON” the air conditioning packs operate:
A: Automatically and independently of each other
B: Normally, but the output of one affects the other
C: Automatically, pack one as a master, pack two as a slave
D: Automatically, pack two as a master, pack one as a slave.
Q 81: Emergency ram air inlet. When set to “ON” the ram air valve will open and supply
airflow:
A: In any case
B: Diff. press < 1 psi, and ditching not selected
C: Provided ditching is not selected
D: Provided ditching is selected.
Q 82: Cond. Zone regulator fault (primary channel failed):
A: Cabin zone is at fixed temperature
B: Packs are at fixed temperature
C: Secondary channel operates as back up and operation is as normal
D: The packs deliver a fixed temperature. 20 deg.C for pack one and 10 deg.C for pack
two
Q 83: Temperature control is automatic and is regulated by:
A: Zone controllers
B: Pack 1 and 2 controllers
C: Zone controllers, pack 1 and 2 controllers
D: The pack flow control valves only.
Q 84: If a pack controller fails (primary and secondary channel failure), the pack outlet
air temperature is controlled by:
A: Ram Air Valve
B: Hot air pressure regulating valve
C: Anti-ice valve
D: Trim air valve.
Q 85: The zone controller optimizes temperature by action on:
A: Pack anti-ice valve
B: Trim air valve
C: Pack flow control valve
D: Hot air pressure regulating valve