Question 53General Subjects - 1st Asst/Chief

70% to pass

Which of the following statements represents the two major functions provided by the item labeled "20" shown in the illustration? Illustration MO-0111

Diagram for USCG General Subjects Chief: Which of the following statements represents the two major functions provided...
AThe pump supplies the motive force to the ejectors and removes the excess distillate.
BThe pump is used to drain the shell when the unit is secured, in addition to powering the ejectors.
CThe pump provides for venting of associated equipment while also powering the ejectors.
DThe pump supplies the motive fluid to the ejectors in addition to supplying the feed water to the distiller.
AI Explanation

The correct answer is D: The pump supplies the motive fluid to the ejectors in addition to supplying the feed water to the distiller. This is correct because the pump labeled "20" in the illustration is responsible for two key functions - providing the motive force to power the ejectors, and supplying the feed water to the distillation unit. The pump is a critical component that enables the overall desalination system to operate effectively. The other answer choices are incorrect because they do not fully capture the dual roles of the pump. Option A describes only one function, option B mentions draining the shell but not powering the ejectors, and option C refers to venting rather than supplying feed water.

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Official Resources
46 CFR Machinery & Electrical 46 CFR Engineering USCG National Maritime Center
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