Q
84. The stop light switch:
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ATurns on the brake lights to warn drivers behind you.
BTells you when you need to use your emergency brakes.
CTells you when the air brake system is low on air pressure.
Detailed Explanation
The correct answer is "Turns on the brake lights to warn drivers behind you.". This is based on federal CDL regulations and safety standards.
Correct Answer: Turns on the brake lights to warn drivers behind you.
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28. The brake pedal in an air brake system:
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