USCG USCG Motor
Set 5 • Question #252 of 382
Launch Interactive Practice Room Concerning diesel propelled vessels, the astern power is to provide for continuous operation system_________.
A
equal to that available for ahead operation ahead rpm of average
B
at 70 percent of the ahead rpm at rated speed
✓ Correct Answer
C
while underway and under all normal conditions
D
at 70 percent of the ahead rpm of average continuous sea speed.
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'Concerning diesel propelled vessels, the astern power is to provide for continuous operation system', the correct operational principle is: 'at 70 percent of the ahead rpm at rated speed'.
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