Ethylene glycol, when used as a coolant in a closed cooling system for a diesel engine, is more advantageous than untreated raw water because it __________.

Correct Answer: Option B — has a lower freezing point and higher boiling point

In USCG Motor Plants (Diesel Engineering), regarding 'Ethylene glycol, when used as a coolant in a closed cooling system for a diesel engine, is more advantageous than untreated raw water because it', the correct operational principle is: 'has a lower freezing point and higher boiling'.