USCG USCG Steam
Set 9 • Question #484 of 496
Launch Interactive Practice Room Feedwater heaters are used aboard steam vessels to reduce thermal shock to the boiler and to __________.
A
increase plant mechanical efficiency
B
act as a heat sink for turbine bleed steam
C
improve thermal efficiency
✓ Correct Answer
D
reduce back pressure in the auxiliary exhaust line
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'Feedwater heaters are used aboard steam vessels to reduce thermal shock to the boiler and to', the verified engineering fact is: 'improve thermal efficiency'.
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