Question 1
A dual air brake system:
Correct Answer:
Has two separate air brake systems, but uses a single set of controls.
Question 2
On a truck with air brakes, the braking system’s air compressor:
Correct Answer:
Pumps air into the air storage tanks.
Question 3
Air tank drains:
Correct Answer:
Are used to drain water and oil from the tanks.
Question 4
When inspecting your brakes, a slack adjuster should move ____ from where it is attached to the push rod.
Correct Answer:
No more than one inch
Question 5
Most heavy-duty vehicles use:
Correct Answer:
Dual air brake systems.
Question 1 of 25
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About this Exam

Prepare with the Illinois CDL Air Brakes Test 2 practice quiz. This question bank includes 25 questions covering brake, brakes, vehicle, dual, and leakage. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Illinois CDL Air Brakes Test 2

This practice set contains 25 questions from the matching question bank and focuses on brake, brakes, vehicle, dual, and leakage. 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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