USCG USCG Motor
Set 6 • Question #290 of 382
Launch Interactive Practice Room On a medium-speed main propulsion diesel engine, the crankpin or crank journal bearings receive lubricating oil from __________.
A
a spindle lubricator
B
an oil jet
C
internal splashing
D
drilled passages in the crankshaft
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'On a medium-speed main propulsion diesel engine, the crankpin or crank journal bearings receive lubricating oil from', the correct operational principle is: 'drilled passages in the crankshaft'.
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