If both the shell-and-tube lube oil cooler and shell-and-tube jacket water cooler of a diesel engine are seawater cooled, what statement is true?

Correct Answer: Option C — Seawater flows through the tubes of both the lube-oil and jacket-water coolers.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Seawater flows through the tubes of both the lube-oil and jacket-water coolers..