Q
430. Why is a broken exhaust system dangerous?
General Knowledgemedium
AIt can cause the engine to overheat.
BIt can reduce fuel efficiency.
CPoisonous fumes could enter the cab or sleeper berth.
Detailed Explanation
The correct answer is "Poisonous fumes could enter the cab or sleeper berth.". This is based on federal CDL regulations and safety standards.
Correct Answer: Poisonous fumes could enter the cab or sleeper berth.
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