Question 94Motor Plants - QMED
70% to passThe component shown in the illustration, labeled "I", is the_______________. Illustration MO-0013
Afirst reduction pinion
Bfirst reduction gear
Csecond reduction pinion
Dsecond reduction gear
AI Explanation
The correct answer is B) first reduction gear. The first reduction gear is a key component in the transmission system of a marine vessel, responsible for transferring power from the engine to the propeller shaft. It is the larger of the two gears in the first stage of the reduction gearbox, which helps to step down the high engine speed to a lower, more suitable speed for the propeller. The other answer options are incorrect because: A) the first reduction pinion is the smaller gear in the first stage, C) the second reduction pinion is part of the second stage of the reduction gearbox, and D) the second reduction gear is the larger gear in the second stage.
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