Alabama CDL Air Brakes Test 1

Question 1

When only the tractor is equipped with an Anti-Lock Braking System (ABS):

There is a decreased risk of jackknifing. There is an increased risk of jackknifing. The brakes will not work as effectively as they would without ABS. The brakes will become more sensitive.

Correct Answer:

There is a decreased risk of jackknifing.

Question 2

In cold weather, an alcohol evaporator should be checked and filled:

Once a week. Every day. Every hour. Once a month.

Correct Answer:

Every day.

Question 3

The service brake system:

Applies and releases the brakes when you press the brake pedal while driving normally. Applies and releases the parking brakes. Applies and releases the emergency brake. Applies and releases the axle brake.

Correct Answer:

Applies and releases the brakes when you press the brake pedal while driving normally.

Question 4

When leaving a vehicle unattended, a driver should:

Always set the parking brake. Only set the parking brake if the vehicle is parked on a slope. Deflate the tires by 10 percent.

Correct Answer:

Always set the parking brake.

Question 5

Friction inside a brake drum is caused when the brake shoes and linings:

Push against each other. Separate from the axle. Push against the inside of the drum. Create excess heat.

Correct Answer:

Push against the inside of the drum.

Question 1 of 24

Exam overview

About this Exam

Prepare with the Alabama CDL Air Brakes Test 1 practice quiz. This question bank includes 24 questions covering brake, anti-lock, braking, vehicle, and brakes. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Alabama CDL Air Brakes Test 1

This practice set contains 24 questions from the matching question bank and focuses on brake, anti-lock, braking, vehicle, and brakes. 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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Alabama CDL Air Brakes Test 1

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