Air Conditioning, Pressurization, Anti-Ice, Rain Quiz

The mix manifold receives air from? (Select all that apply)

• External low-pressure conditioned air

• The right pack

• The left pack

• The ram air inlet

When are the ram air doors full open?

• In flight at any time

• On the ground only

• On the ground or in flight with the flaps extended

• On the ground or in flight with the flaps retracted

The APU can be used to supply bleed air for two packs during flight.

• true

• false

When the PACK switches are in the AUTO position, when will a pack automatically go to high flow? (Select all that apply)

• With one pack operating while in flight with flaps extended

• Both engine BLEED air switches are OFF and the APU BLEED air switch is ON

• With both packs operating and the AUTO TEMP CONTROLLER senses the need for additional air flow

• With one pack operating while in flight with flaps retracted

The SUPPLY DUCT position of the AIR TEMP Selector indicates the temp of the

• Outlet temp of the right pack

• Pax compartment

• Flight Deck

• Air in the main distribution duct

Cargo heat is controlled from the flight deck.

• True

• False

The purpose of the recirculation fan is to:

• Increase the use of the bleed air

• Cool the electronic equipment in the flight deck and E&E compartment

• Heat the cargo compartment

• Reduce pack demand for the bleed air

Alternate equipment cooling operates automatically.

• True

• False

The equipment cooling system contains:

• 4 fans (2 supply and 2 exhaust)

• 2 fans (1 supply and 1 exhaust)

• 2 fans (all exhaust)

• 4 fans (all supply)

Which relief valve prevents ambient pressure from exceeding cabin pressure by an excessive amount?

• Negative pressure relief valve

• Positive pressure relief valve

• Overboard exhaust valve

• Cabin outflow valve