USCG USCG Steam
Set 9 • Question #494 of 496
Launch Interactive Practice Room When the flame scanner senses flame failure during boiler operation, which of the listed events will occur FIRST?
A
The fuel oil service pump is stopped.
B
The automatic purge cycle commences.
C
The fuel oil solenoid valve is de- energized.
✓ Correct Answer
D
The 'trial for ignition' period commences.
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'When the flame scanner senses flame failure during boiler operation, which of the listed events will occur FIRST', the verified engineering fact is: 'The fuel oil solenoid valve is de- energized.'.
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