2026 Kansas Combination CDL Practice Test 2

Question 1

The best way to tell if your trailer has started to skid is to

hear the wheels skidding. feel for "pulling" in the cab. see it in your mirrors.

Correct Answer:

see it in your mirrors.

Question 2

Describe what the trailer air supply control does.

It is a device used to keep the trailer behind the tractor. It is a six-sided yellow knob used to control the tractor protection valve. It is used to supply the trailer with air, shut the air off, and apply the trailer emergency brakes.

Correct Answer:

It is used to supply the trailer with air, shut the air off, and apply the trailer emergency brakes.

Question 3

If your vehicle is equipped with dummy couplers, why should you connect the glad hands to them?

It will keep dirt and water out of the lines. If you don't, you will never build system pressure. The connected brake circuit becomes a backup air tank.

Correct Answer:

It will keep dirt and water out of the lines.

Question 4

When coupling a tractor-semitrailer, to test the trailer air brakes, you should place the tractor protection valve control in what position?

Up Down Normal

Correct Answer:

Normal

Question 5

Trucks roll over more easily when fully loaded and are

two times more likely to roll over in a crash than empty rigs. five times more likely to roll over in a crash than empty rigs. ten times more likely to roll over in a crash than empty rigs.

Correct Answer:

ten times more likely to roll over in a crash than empty rigs.

Question 1 of 20

Exam overview

About this Exam

Prepare with the 2026 Kansas Combination CDL Practice Test 2 practice quiz. This question bank includes 20 questions covering trailer, tractor, brakes, vehicle, and position. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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2026 Kansas Combination CDL Practice Test 2

This practice set contains 20 questions from the matching question bank and focuses on trailer, tractor, brakes, vehicle, and position. 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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About this Exam

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2026 Kansas Combination CDL Practice Test 2

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