USCG USCG Motor
Set 2 • Question #164 of 382
Launch Interactive Practice Room Mist detectors used on large low-speed and medium speed main propulsion diesel engines monitor and check for the presence of __________.
A
fuel oil vapor at the sludge tank vent
B
unburned fuel vapors in the scavenge air receiver
C
lube oil vapors in the crank case
✓ Correct Answer
D
lube oil vapors in the engine room
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'Mist detectors used on large low-speed and medium speed main propulsion diesel engines monitor and check for the presence of', the correct operational principle is: 'lube oil vapors in the crank case'.
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