USCG USCG Motor
Set 4 • Question #206 of 382
Launch Interactive Practice Room The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and __________.
A
reduce water temperature
B
reduce water turbulence
C
provide an air cushion
D
allow for an increase in water volume as the engine warms up
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and', the correct operational principle is: 'allow for an increase in water volume as the engine warms up'.
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