Steam Plants (Boilers & Turbines) USCG Question #534 (Set 18)

A pneumatic dual element, main propulsion, boiler feed water regulating system commonly used aboard ship utilizes __________.

Official USCG Answer & Rule Citation

Correct Answer: Option D — proportional plus reset action

Pneumatic dual-element feed regulating systems employ proportional plus reset (PI) control action to eliminate steady-state offset and maintain exact drum level under varying propulsion loads.

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