Georgia CDL Combination Test 1

Question 1

When connecting a converter dolly to a second or third trailer, the trailer height should be:

Slightly higher than the center of the fifth wheel. Level with the center of the fifth wheel. Slightly lower than the center of the fifth wheel. Next to the center of the fifth wheel.

Correct Answer:

Slightly lower than the center of the fifth wheel.

Question 2

Before a drive, ensure that air flows to all trailers by:

Opening the rear shut-off valves and listening for escaping air. Closing the rear shut-off valves and listening for escaping air. Disconnecting air supply lines and listening for escaping air. Rolling each trailer down a hill and testing the brakes.

Correct Answer:

Opening the rear shut-off valves and listening for escaping air.

Question 3

What is another name for the service line?

Control line Exchange line Surplus line Parallel line

Correct Answer:

Control line

Question 4

An Anti-Lock Braking System (ABS):

Allows wheels to lock up. Prevents wheels from locking up. Makes it easier to turn a large vehicle. Assists with the operation of brake lights.

Correct Answer:

Prevents wheels from locking up.

Question 5

Having ABS on only one axle:

Does not change braking in any way. Is not possible. Will allow the driver additional control over their vehicle when braking. Will cause extra strain on the other axles.

Correct Answer:

Will allow the driver additional control over their vehicle when braking.

Question 1 of 20

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About this Exam

Prepare with the Georgia CDL Combination Test 1 practice quiz. This question bank includes 20 questions covering trailer, coupling, connecting, drive, and trailers. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Georgia CDL Combination Test 1

This practice set contains 20 questions from the matching question bank and focuses on trailer, coupling, connecting, drive, and trailers. 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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Georgia CDL Combination Test 1

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