Nebraska CDL Air Brakes Test 1

Question 1

Foundation brakes are used:

Only at the front wheels. Only at the rear wheels. Only at the driver’s side wheels. At each wheel.

Correct Answer:

At each wheel.

Question 2

A tank endorsement is:

Only required when transporting gases. Only required when transporting liquids. Used when transporting both liquids and gases. Optional when transporting hazardous materials.

Correct Answer:

Used when transporting both liquids and gases.

Question 3

If you’re driving and the ABS warning light comes on, it means:

The ABS is working properly. The ABS has just been activated. The ABS is not working properly. The ABS needs to be activated.

Correct Answer:

The ABS is not working properly.

Question 4

When you press the brake pedal in a vehicle with S-cam brakes, air pressure pushes out the rod and moves the:

Slack adjuster. Axle. Brake drum. Alcohol evaporator.

Correct Answer:

Slack adjuster.

Question 5

You should test the low pressure warning signal by:

Turning on the engine and applying the trailer hand brake. Rapidly pressing and releasing the brake pedal. Removing wheel chocks and disengaging the parking brake.

Correct Answer:

Rapidly pressing and releasing the brake pedal.

Question 1 of 25

Exam overview

About this Exam

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

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Nebraska CDL Air Brakes Test 1

This practice set contains 25 questions from the matching question bank and focuses on pressure, brake, brakes, warning, and vehicle. 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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Nebraska CDL Air Brakes Test 1

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