Question 582General Subjects - Assistant Engineer

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Referring to the illustrated steam plant sea water cooling system drawing, what statement is true concerning sea water service system to auxiliary circulating sea water system cross-connect capability? Illustration SP-SW-01

Diagram for USCG General Subjects Assistant: Referring to the illustrated steam plant sea water cooling system drawing, what...
AIn the event of auxiliary circulating pump failure, multiple sea water service pumps may be used to supply both the sea water service system and auxiliary circulating sea water system heat exchangers.
BIn the event of auxiliary circulating pump failure, multiple sea water service pumps may be used to supply the sea water service, main circulating sea water, and auxiliary circulating sea water system heat exchangers.
CIn the event of multiple sea water service system pump failures, the auxiliary circulating pump may be used to supply both the sea water service system and auxiliary circulating sea water system heat exchangers.
DIn the event of multiple sea water service system pump failures, multiple main circulating pumps may be used to supply the sea water service, main circulating sea water, and auxiliary circulating sea water system heat exchangers.
AI Explanation

The correct answer is A. In the event of an auxiliary circulating pump failure, multiple sea water service pumps may be used to supply both the sea water service system and auxiliary circulating sea water system heat exchangers. This is because the sea water service system and auxiliary circulating sea water system are cross-connected, allowing the sea water service pumps to provide backup supply to the auxiliary circulating system. The other options are incorrect because they either describe scenarios that are not supported by the information provided (options B, C, and D), or they do not accurately reflect the cross-connect capability between the sea water service system and auxiliary circulating sea water system (options B, C, and D).

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