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Indiana Operator's Knowledge Exam Practice
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Passing target: 7 correct signs and 18 correct rules
Vehicle Safety, Documents & TowingStandalone practice
Which condition requires attention because a muffler must be free from exhaust gas leaks?
Correct answer: A leaking exhaust that can let harmful gas escape.
Why
Keep the muffler free from exhaust gas leaks, alteration and deterioration. A faulty exhaust can allow carbon monoxide into the vehicle. Have defects repaired; do not assume fumes are safe because they cannot be smelled.
Verified against Indiana Driver's Manual · Exhaust system condition · p. 67
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