USCG USCG Steam
Set 8 • Question #458 of 496
Launch Interactive Practice Room Single-element automatic feedwater regulators are controlled by the __________.
A
temperature in the steam drum
B
water level in the steam drum
✓ Correct Answer
C
pressure in the steam drum
D
feedwater flow to steam drum
USCG NMC Regulatory Explanation
A two-element boiler feedwater regulator responds directly to changes in steam flow and drum water level, anticipating load demand to minimize swell and shrink effects. Option B ('water level in the steam drum') represents this control response.
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