One of the basic rules applying to the operation of a single-pass main condenser is that the __________.

Correct Answer: Option A — cooling water overboard should be about 10F higher than the inlet tem perature

Under standard marine operating parameters for a single-pass main condenser, the temperature rise of the circulating seawater between the inlet and overboard discharge typically ranges around 10°F, balancing heat rejection requirements with circulating pump power consumption.