USCG USCG Motor
Set 13 • Question #140 of 382
Launch Interactive Practice Room Corrosion inhibitors and/or soluble oils are added to diesel engine cooling systems to ___________________.
A
maintain low pH in the cooling water
B
reduce the cooling water temperature
C
increase cooling water hardness
D
form a protective film on
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'Corrosion inhibitors and/or soluble oils are added to diesel engine cooling systems to', the correct operational principle is: 'form a protective film on'.
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