Massachusetts CDL Air Brakes Test 1

Question 1

If one air system in a dual air brake system is very low on pressure:

None of the brakes will work at all. Either the front or rear brakes will not be operating fully. There will be no noticeable affect. Lights on the outside of the tractor will flash.

Correct Answer:

Either the front or rear brakes will not be operating fully.

Question 2

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 3

Air pressure should build up in a single air system within:

15 minutes. 12 minutes. Three minutes. One minute.

Correct Answer:

Three minutes.

Question 4

If the air pressure warning light comes on, you should:

Continue driving normally. Activate your hazard lights and continue driving. Call the local law enforcement agency. Safely exit the roadway and stop.

Correct Answer:

Safely exit the roadway and stop.

Question 5

You should not use the parking brake:

If your vehicle is stopped on a level surface. If your vehicle is stopped on a slight incline. If your vehicle's brakes are very hot. If your vehicle's other braking systems seem to be working adequately.

Correct Answer:

If your vehicle's brakes are very hot.

Question 1 of 23

Exam overview

About this Exam

Prepare with the Massachusetts CDL Air Brakes Test 1 practice quiz. This question bank includes 23 questions covering brake, pressure, parking, dual, 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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Massachusetts CDL Air Brakes Test 1

This practice set contains 23 questions from the matching question bank and focuses on brake, pressure, parking, dual, 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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Massachusetts CDL Air Brakes Test 1

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