When securing a sea water-cooled shell-and-tube heat exchanger for an extended period of time, what statement represents the recommended operating procedure?

Question

Accepted Answer

The sea water side of the heat exchanger should be drained by opening the drain valves, while insuring that the vent valves remain open while draining.

Answer

The sea water side of the heat exchanger should be left completely filled with sea water.

Answer

The sea water side of the heat exchanger should be drained by opening the drain valves, while insuring that the vent valves remain closed while draining.

Answer

The sea water side of the heat exchanger should be drained, then flushed with fresh water and left completely filled with fresh water.

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