Brakes

Question 1

During landing the anti-skid system becomes operational when the main wheels spin up to ____ .

Answer 1

35 knots

Question 2

How many brake wear pins are on each brake assembly?

Answer 2

2

Question 3

The BTMS overheat warning reset push button can be used to reset the BTMS after an overheat. True/False?

Answer 3

True

Question 4

With a weight on wheels signal not present, the ASCU move the anti-skid control valves into the bypass mode. True/False?

Answer 4

True

Question 5

Where are the brake accumulators located?

Answer 5

In the nose compartment

Question 6

The Hydraulic brake accumulators are located in the wheel wells. True/False?

Answer 6

False

Question 7

Four axle mounted speed sensors signal the ASCU (Anti-skid Control Unit). True/False?

Answer 7

True

Question 8

Which Hydraulic Systems power the brakes on the CRJ?

Answer 8

Systems 2 and 3

Question 9

If Hydraulic System 3 fails, will braking still be available?

Answer 9

Yes

Question 10

If there is a loss of Hydraulic pressure in system 2 or 3, how much braking power is available on the remaining system?

Answer 10

50%

Question 11

Which Hydraulic system controls the inboard and outboard brakes?

Answer 11

System 3 (middle system on EICAS display) controls the inboard, System 2 controls the outboard.

Question 12

With anti-skid off how many brake applications are available from the accumulators in the event of hydraulic system 2 and 3 failing?

Answer 12

6 brake applications.