What is the purpose of the "window" installed in the housing of an individual jerk pump?
Official USCG Answer & Rule Citation
Correct Answer: Option D — To allow the pump to be timed to the engine.
The housing window provides visual alignment of the timing mark on the plunger or quadrant, allowing technicians to precisely time pump delivery to the engine cylinder.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.