New York CDL Combination Test 2

Question 1

A trailer will be most likely to swing around when:

It is full. Traveling in a straight line. It is empty. The wheels are rotating.

Correct Answer:

It is empty.

Question 2

If you are operating a vehicle built before 1998 and are unsure if the trailer has an Anti-Lock Braking System (ABS), you can:

Check for wheel speed sensors coming from the back of the brakes. Look for a red light on the front right corner of the converter dolly. Pump the air brakes to activate the ABS. Assume the vehicle has ABS.

Correct Answer:

Check for wheel speed sensors coming from the back of the brakes.

Question 3

If your trailer goes off course while you are backing, you should:

Continue the backing process without changing anything. Pull the truck forward, readjust, and start backing again. Get out of the truck and move the trailer into the right position. Turn the steering wheel all the way to the left until the trailer straightens out.

Correct Answer:

Pull the truck forward, readjust, and start backing again.

Question 4

What is a tractor protection valve?

A valve to keep air in the brake system should there be a bad leak A valve that prevents the truck from being stolen A valve that prevents the driver from going too fast A valve that prevents the trailer from accidentally being released

Correct Answer:

A valve to keep air in the brake system should there be a bad leak

Question 5

In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when:

Air pressure drops to a level between 20 and 45 psi. You are experiencing a trailer jackknife. Wheels have regained traction after a skid. Air pressure is above 45 psi.

Correct Answer:

Air pressure drops to a level between 20 and 45 psi.

Question 1 of 20

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About this Exam

Prepare with the New York CDL Combination Test 2 practice quiz. This question bank includes 20 questions covering trailer, valve, tractor, protection, and supply. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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New York CDL Combination Test 2

This practice set contains 20 questions from the matching question bank and focuses on trailer, valve, tractor, protection, and supply. 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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New York CDL Combination Test 2

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