Engine Safety (Supplementary) USCG Question #39 (Set 1)

The load is always placed on the lower half of the main bearings in a/an __________.

Official USCG Answer & Rule Citation

Correct Answer: Option A — two-stroke/cycle engine

Two-stroke cycle engines maintain continuous downward forces on the piston throughout the power and compression strokes, ensuring the load rests constantly on the lower half of the main bearings.

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