USCG USCG Steam
Set 15 • Question #191 of 496
Launch Interactive Practice Room Which of the valves listed should be closed before lighting off a boiler?
A
Economizer drain valve
✓ Correct Answer
B
Air cock valve
C
Superheater vent valve
D
Superheater drain valve
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'Which of the valves listed should be closed before lighting off a boiler', the verified engineering fact is: 'Economizer drain valve'.
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