Air Brake System Leak Test Quiz

Air Brake System Leak Test Quiz

University

10 Qs

quiz-placeholder

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Air Brake System Leak Test Quiz

Air Brake System Leak Test Quiz

Assessment

Quiz

Physics

University

Medium

Created by

Noah Vickers

Used 2+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum allowable air pressure loss for a straight truck during a static leak test?

3 psi in one minute

2 psi in one minute

4 psi in one minute

1 psi in one minute

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Before performing a leak-down test, what should you do first?

Turn on the headlights

Build full air pressure (governor cut-out)

Check oil levels

Engage the trailer hand valve

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: The engine must be running during the leak down test.

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During a static leak test, which brakes must be released?

Only trailer brakes

Only tractor brakes

Both service and parking brakes

All brakes must be released

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which tool is commonly used to monitor air pressure during the leak test?

Air compressor

Pressure regulator

Air pressure gauge

Manometer

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long should you observe the air pressure gauge during the static leak test?

30 seconds

1 minute

3 minutes

Until the warning buzzer sounds

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At what air pressure should the low air pressure warning activate in most vehicles?

above 90 psi

at 80 psi

at 60 psi

above 55 psi

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