USCG USCG Motor
Set 6 • Question #274 of 382
Launch Interactive Practice Room When preparing to light off a cold boiler equipped with a return flow fuel oil system, the recirculating valve directs the flow of oil __________.
A
directly to the fuel oil heater inlet for further warm-up
B
back to the fuel oil settler for further filtration
C
back to the suction side of the service pump
✓ Correct Answer
D
directly to the deep tanks
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'When preparing to light off a cold boiler equipped with a return flow fuel oil system, the recirculating valve directs the flow of oil', the correct operational principle is: 'back to the suction side of the service pump'.
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