Environmental

Question 0

RAM AIR ventilation is used only when

Answer 0

Both packs have failed

Question 1

The right hand pack normally supplies the

Answer 1

Passenger cabin

Question 2

Flight compartment exhaust air in flight is routed through the

Answer 2

Under floor through the avionics bay to the outflow valve at aft press bulkhead

Question 3

Cabin air outflow valve is controlled automatic by

Answer 3

The active CPC maintains aircraft pressurization

Question 4

The pressurization system automatically pre-pressurizes the aircraft to

Answer 4

-150 feet

Question 5

Maximum negative differential pressure control is

Answer 5

-0.5 psi

Question 6

If the cabin altitude reaches 14,000 feet the

Answer 6

CPAM will trigger the oxygen system auto deploy to the passengers

Question 7

On the ground, with display control panel in “normal” what fan cools the cockpit displays

Answer 7

GRD fan/ FLT ALT fan

Question 8

When the pressurization control switch light is pressed in

Answer 8

It selects manual mode

Question 9

The manual cabin altitude regulator, when selected up

Answer 9

Causes the outflow valve to OPEN and INCREASE cabin altitude

Question 10

When in manual MAN the pressurization readouts are displayed on

Answer 10

EICAS primary page

Question 11

CABIN PRESSURE aural warning will be heard when

Answer 11

Cabin altitude is greater than 10,000 feet

Question 12

The two safety valves located on the aft pressure bulkhead

Answer 12

Provide over pressure and negative pressure relief

Question 13

During ground operations the ground valve

Answer 13

Is used to cool avionics and FWD CRTs and equipment

Question 14

What is the normal source for engine supply bleed air to the manifold

Answer 14

6th or 10th stage