USCG USCG Steam
Set 6 • Question #382 of 496
Launch Interactive Practice Room In a single-element feedwater regulator, the amount of valve opening and closing is controlled by the __________.
A
water level in the drum
✓ Correct Answer
B
steam pressure in the drum
C
steam flow from the boiler
D
feedwater flow to the boiler
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 A ('water level in the drum') represents this control response.
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