58. The fresh water cooling systems serving the main engines on your platform supply vessel are configured as shown in the illustration. While the effected main engine is in operation, what would be the impact of RW/FW heat exchanger and lube oil cooler tube leaks respectively

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a rw/fw heat exchanger tube leak will result in engine fresh water coolant leaking into the raw water and out to sea as evidenced by a drop in the fresh water expansion tank level. a lube oil cooler tube leak will result in lubricating oil leaking into the engine fresh water coolant as evidenced by a rise in the fresh water expansion tank level and a drop in the engine lube oil sump level.

58. The fresh water cooling systems serving the main engines on your platform supply vessel are configured as shown in the illustration. While the effected main engine is in operation, what would be the impact of RW/FW heat exchanger and lube oil cooler tube leaks respectively

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