Q
107. Which of these statements about downshifting for a long downhill grade is true?
General Knowledgemedium
AThe proper time to downshift is just after the vehicle starts down the hill.
BIt allows engine compression and friction to help the brakes slow the vehicle.
CIt should not be done with automatic transmissions.
Detailed Explanation
The correct answer is "It allows engine compression and friction to help the brakes slow the vehicle.". This is based on federal CDL regulations and safety standards.
Correct Answer: It allows engine compression and friction to help the brakes slow the vehicle.
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