Question 1
Older trailers are not equipped with spring brakes. This means that if the air supply for a vehicle's air braking system leaks away:
Correct Answer:
The trailer will not have brakes.
Question 2
When braking while pulling a trailer equipped with anti-lock brakes, you should:
Correct Answer:
Brake as you would without anti-lock brakes.
Question 3
The service air line is often controlled by the foot brake and is attached to the ____ valves.
Correct Answer:
Relay
Question 4
In an empty combination vehicle, the stiff suspension springs and strong brakes will have:
Correct Answer:
Low traction.
Question 5
When coupling, after you've connected the air lines to the trailer, you should:
Correct Answer:
Supply air to the trailer.
Question 1 of 20
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About this Exam

Prepare with the Missouri CDL Combination Test 1 practice quiz. This question bank includes 20 questions covering trailer, brakes, vehicle, tractor, and equipped. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Missouri CDL Combination Test 1

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