Arizona CDL Combination Test 2

Question 1

If a load is placed on one side of a trailer, the trailer:

May lean during turns. May add extra support during turns. May be easier to steer during turns.

Correct Answer:

May lean during turns.

Question 2

To find out if a vehicle that was built before 1998 has an Anti-Lock Braking System (ABS), you can:

Pump the air brakes to activate the ABS. Look into the back of the fifth wheel. Check for wheel speed sensors coming from the back of the brakes.

Correct Answer:

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

Question 3

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 a truck from being stolen A valve that prevents the driver from driving too fast

Correct Answer:

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

Question 4

If a parked trailer does not have spring brakes, you should keep the trailer from moving by:

Having the vehicle parked against a wall or other vehicle. Using chock blocks. Parking on a slight incline.

Correct Answer:

Using chock blocks.

Question 5

Before a trip, you can make sure air flows to all trailers by:

Checking for moving air inside of each trailer. Listening for air at the rear shut-off valve. Feeling for air at the front shut-off valve.

Correct Answer:

Listening for air at the rear shut-off valve.

Question 1 of 20

Exam overview

About this Exam

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

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Arizona CDL Combination Test 2

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

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