Q
51. When you are uncoupling a loaded trailer, lower the landing gear until it:
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Aa. Reaches the ground.
Bb. Makes contact with the ground and leaves the trailer off the fifth wheel.
Cc. Makes firm contact with the ground.
Detailed Explanation
The correct answer is "c. Makes firm contact with the ground.". This is based on federal CDL regulations and safety standards.
Correct Answer: c. Makes firm contact with the ground.
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