Systems Questions

Question 1

What happens when you pull the fire handle?

Answer 1

Silences the Fire Bell
Arms Squibs
GCR opens
Pneumatic shutoff valve closes
Hydraulic shutoff valve closes
Fuel shutoff valve closes

Question 2

Hydraulic Accumulators:

How many and where?

Answer 2

Total: 6
Brakes: 2 (3-5 brake applications)
Elevator Augmentation: 1 (2 pushes)
Aft Stairs and Rudder: 1 (allows for slow lowering of the stairs and absorbs transients on the rudder)
Reverse Thrust: 2 (One extension and possible retraction)

Question 3

What conditions will prevent arming the autobrakes?

Answer 3

Selector in the off position
Auto brake fail Annunciator
Anti-skid fail
Hydraulic pressure loss

Question 4

Brake Temperature Limits

Answer 4

Takeoff - 205
Parking Brake - 250
Amber light - 305

Question 5

Minimum brake pressure to set parking brake

Answer 5

1400 PSI

Question 6

If a nose-wheel steering actuator fails, how is travel affected?

Answer 6

Travel in opposite direction is limited to 55 degrees.

Question 7

Wheel not turning light indicates what?

Answer 7

20% speed differential

Question 8

Hydraulic valve positions in event of electrical power loss.

Answer 8

Engine driven pump valves - Open
Transfer Pump valves - Closed (Adapt says last known)
Aux Pump - Closed

Question 9

Minimum PSI for engine start

Answer 9

36 +/- 6 PSI

-1 PSI for every 1,000’ pressure altitude

Question 10

When you turn on the battery switch, what two buses receive power?

Answer 10

BATT Bus and DC Transfer Bus

This gives us the ability to start the APU, start an engine or fight a fire.

Question 11

What activates the auto-spoilers on takeoff and landing?

Answer 11

Takeoff - Reverse power levers lifted into reverse position

Landing - Ground shift or any two wheels speed up