What is the purpose of checking the exhaust system during a pre-trip inspection?
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Correct answer to question 304 (General Knowledge): A leaking exhaust can let dangerous fumes enter the cab or sleeper
Why
A cracked or leaking exhaust system can allow carbon monoxide to seep into the cab or sleeper berth, which is a serious health hazard, so it is part of every pre-trip check.
Updated: November 2026