Air Brakes 2

Air Brakes 2

Professional Development

26 Qs

quiz-placeholder

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Air Brakes 2

Air Brakes 2

Assessment

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Professional Development

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Created by

Robert McCann

Used 22+ times

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26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On large, heavy vehicles, the parking or emergency brakes must be held on by something that cannot leak away, such as

Air pressure.

Spring pressure.

Hydraulic pressure.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The air compressor governor controls

When air is pumped into the air storage tanks.

The air pressure applied to the brakes.

The speed of the air compressor.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Your vehicle has a dual air brake system. If a low air pressure warning comes on for just one of the two systems, what should you do?

Stop and park safely. Continue only after the system has been fixed.

Reduce your speed and drive to the nearest garage for repairs.

Reduce your speed and test the remaining system while you’re driving.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The safety valve is set to automatically reduce pressure at

150 psi

50 psi

100 psi

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the supply pressure gauge used for?

To show how much pressure is in the air tanks.

To show how much pressure is going to the brake chambers.

Show how much pressure you have used in this trip.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The braking system that applies the brakes when the driver presses the brake pedal is the_____ brake system.

Emergency

Parking

Service

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

With S-cam drum brakes, when the brake chamber fills with air, air pressure pushes the pushrod out, moving the _____ and thus rotating the _____

Brake camshaft; tie rod

Slack adjuster; tie rod

Slack adjuster; brake camshaft

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