USCG USCG Motor
Set 11 • Question #81 of 382
Launch Interactive Practice Room In a diesel engine closed freshwater cooling system where the cooling water pressure drop through the engine is 10 psig, and the pressure drop through the heat exchanger is 4 psig. The cooling water pump must produce a discharge head of at least __________.
A
4 psig
B
15 psig
✓ Correct Answer
C
6 psig
D
28.7 psig
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'In a diesel engine closed freshwater cooling system where the cooling water pressure drop through the engine is 10 psig, and the pressure drop through the heat exchanger is 4 psig. The cooling water pump must produce a discharge head of at least', the correct operational principle is: '15 psig'.
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