USCG USCG Motor
Set 2 • Question #150 of 382
Launch Interactive Practice Room Cooling water pumps driven by direct reversing diesel engines are usually of the straight impeller vane type pump with a concentric housing to __________.
A
provide cooling water flow when the engine is running either ahead or astern
✓ Correct Answer
B
provide the greatest pump efficiency
C
prevent pump clogging from marine growth
D
prevent cavitation at the pump outlet
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'Cooling water pumps driven by direct reversing diesel engines are usually of the straight impeller vane type pump with a concentric housing to', the correct operational principle is: 'provide cooling water flow when the engine is running either ahead or astern'.
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