USCG USCG Steam
Set 15 • Question #182 of 496
Launch Interactive Practice Room Natural circulation in a marine boiler is a result of __________.
A
the difference in the densities of the fluid in the downcomer and riser circuits
✓ Correct Answer
B
the fact that the specific weight of steam is greater than water
C
the velocity imparted to the feedwater by the feed pump
D
the turbulence of high pressure feedwater entering the steam drum
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'Natural circulation in a marine boiler is a result of', the verified engineering fact is: 'the difference in the densities of the fluid in the downcomer and riser circuits'.
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