Question 1
____ are the cause of more than half of all accident-related truck driver deaths.
Correct Answer:
Truck rollovers
Question 2
Emergency air lines are often coded with the color:
Correct Answer:
Red.
Question 3
When you are pulling a trailer, the air supply control lever should be in its ____ position.
Correct Answer:
Normal
Question 4
Trailers manufactured after ____ must be equipped with Anti-Lock Braking Systems (ABS).
Correct Answer:
1998
Question 5
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 1 of 25
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About this Exam

Prepare with the North Carolina CDL Combination Test 1 practice quiz. This question bank includes 25 questions covering trailer, valve, supply, equipped, 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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North Carolina CDL Combination Test 1

This practice set contains 25 questions from the matching question bank and focuses on trailer, valve, supply, equipped, 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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