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Air Brakes 6

Authored by Robert McCann

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Professional Development

Used 51+ times

Air Brakes 6
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you must make an emergency stop, you should brake so you:

Use the full power of the brakes to lock them up

Rely on the trolley handbrake before applying full force to the brake pedal

Pull out your parking and emergency knobs to lock up the brakes

Can steer and so your vehicle stays in a straight line

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If your brakes are out of adjustment, you will not have good _____ braking.

Service

Emergency

Parking

All of the answers are correct

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If your truck or bus has dual parking control valves, you can use pressure from a separate tank to:

Balance the service brake system when you are parked

Release the spring emergency/parking brakes to move a short distance for safety

Stay parked twice as long without using up service air pressure

Swap your service and emergency air line glad hand

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an air brake system, the system protection valves do not include:

Quick release valves

Parking valves

Relay valves

Exhaust valves

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In order to engage the parking brakes under normal conditions, the driver should:

Be sure air brake system is fully pressurized

Turn off the engine

Pushing the yellow diamond-shape knob

Let the air out of the air brake system

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

It is generally accepted that too much heat caused by your brakes too often can cause:

Brake linings to split up

Brakes to fade or fail

Modulating control valve to wear out

Governor to completely fail

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

It is not safe or legal to drive a vehicle that has brake linings that are less than

1/8 inch

1/3 inch

1/4 inch

1/2 inch

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