USCG USCG Motor
Set 6 • Question #268 of 382
Launch Interactive Practice Room The burner assembly on an automatically fired auxiliary boiler fitted with variable capacity, pressure atomizing burners, maintains steam pressure by __________.
A
cycling on and off
B
changing fuel oil return pressure
✓ Correct Answer
C
changing the speed of a rotary cup
D
varying air pressure supplied to the nozzle
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'The burner assembly on an automatically fired auxiliary boiler fitted with variable capacity, pressure atomizing burners, maintains steam pressure by', the correct operational principle is: 'changing fuel oil return pressure'.
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