OUPV & 100-Ton Master · Uninspected Vessels — Backfire Arrestor
A backfire flame arrestor is required on which type of installed engine?
- AOutboard engines
- BElectric motors
- CDiesel engines
- DGasoline inboard engines (except outboards)✓ Correct
Explanation
Gasoline engines installed inboard (other than outboard motors) must have a Coast Guard-approved backfire flame arrestor on the carburetor to prevent ignition of gasoline vapors from a backfire.
Authority: 46 CFR Part 25; 33 CFR Part 183
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