Air Brake Quiz

Welcome to the Air Brake Quiz

1.

The final factor in determining if a vehicle will move is the amount of:

2.

Why should you lock the tractor glad hands to each other, or use dummy couplers when you are NOT towing a trailer?

3.

To stop a vehicle, the energy of motion is turned into:

4.

If the brakes are out of adjustment, the force of the spring brakes when applied will be:

5.

When necessary, a driver should use the manual front wheel limiting valve on slippery roads:

6.

The foot valve:

7.

Responsibility for ensuring that the braking system is operational finally rests with the:

8.

In a 105 PSI system, the governor will cause the compressor to return to its pumping stage at a pressure of:

9.

The main purpose of the hand valve is to:

10.

The 20 lb range between the cut-in and cut-out of the governor serves to:

11.

In a dual circuit air system, air from the primary and secondary air reservoirs is directed to:

12.

The low pressure warning device activates at:

13.

In a dual circuit air system, the valve that protects the primary circuit from air loss in the secondary circuit is the:

14.

When a compressor discharge line is broken, total loss of air is prevented by the:

15.

Reservoirs should be drained at least:

16.

A tug test on the trailer brakes should be done with the:

17.

If your brakes do not seem to be holding even when air pressure is sufficient, you should:

18.

When the foot and hand valve are operated at maximum at the same time, the application pressure will:

19.

When a trailer without spring parking brakes is disconnected and left parked, you should make sure:

20.

The weight of a vehicle is doubled. To stop in the same distance, the braking power must be increased:


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