Question 1
A loss of air pressure in the emergency line will cause:
Correct Answer:
The emergency brakes to activate.
Question 2
When connecting a converter dolly to a second trailer, the trailer height should be ____ the center of the fifth wheel.
Correct Answer:
Slightly lower than
Question 3
In a sudden turn, the ____ trailer is the most likely to turn over.
Correct Answer:
Last
Question 4
After completing a pre-trip inspection, you should ensure that the:
Correct Answer:
Service line valve is closed.
Question 5
All trailers made after ____ must be equipped with Anti-Lock Braking Systems (ABS).
Correct Answer:
1998
Question 1 of 20
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About this Exam

Prepare with the California CDL Combination Test 1 practice quiz. This question bank includes 20 questions covering trailer, turn, anti-lock, braking, 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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California CDL Combination Test 1

This practice set contains 20 questions from the matching question bank and focuses on trailer, turn, anti-lock, braking, 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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