When placing a shell-and-tube heat exchanger such as a jacket water cooler into service, to insure optimal heat transfer what statement represents the correct operating procedure?

Correct Answer: Option A — Both the water box and shell vent valves should be opened to expel any entrapped air and then reclosed.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Both the water box and shell vent valves should be opened to expel any entrapped air and then reclosed..