Question 1
A wig wag is:
Correct Answer:
A low pressure warning device.
Question 2
Brake linings should be:
Correct Answer:
Free of oil.
Question 3
Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.
Correct Answer:
Spring brakes
Question 4
During an inspection, slack adjusters on S-cam brakes should not move more than:
Correct Answer:
One inch.
Question 5
When you are about to start down a hill, you should switch into a ____ gear.
Correct Answer:
Lower
Question 1 of 25
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About this Exam

Prepare with the Washington CDL Air Brakes Test 1 practice quiz. This question bank includes 25 questions covering brakes, vehicle, pressure, brake, and compressor. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Washington CDL Air Brakes Test 1

This practice set contains 25 questions from the matching question bank and focuses on brakes, vehicle, pressure, brake, and compressor. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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