Q
85. Which of these vehicles off-track the most?
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Aa. 5-axle tractor towing a 52-foot trailer.
Bb. 5-axle tractor towing a 45-foot trailer.
Cc. 5-axle tractor towing a 42-foot trailer.
Detailed Explanation
The correct answer is "a. 5-axle tractor towing a 52-foot trailer.". This is based on federal CDL regulations and safety standards.
Correct Answer: a. 5-axle tractor towing a 52-foot trailer.
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17. The front trailer supports are up and the trailer is resting on the tractor. Make sure:
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Push in the trailer air supply control to:
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An air supply control in its 'emergency' position will:
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21. You are coupling a tractor to a semi trailer and have backed up but are not under it. What should you hook up before backing under the semitrailer?
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