For the successful operation of a reverse-osmosis freshwater generator, the setting of the brine back pressure regulator is critical. What statement regarding the set point of this regulator is true?

Correct Answer: Option A — If the regulator setting is set too high, the membrane modules may be damaged. If the regulator setting is too low, the freshwater production will be too low.

Under USCG National Maritime Center examination standards, the accepted correct answer is: If the regulator setting is set too high, the membrane modules may be damaged. If the regulator setting is too low, the freshwater production will be too low..