USCG QMED Practice Questions - USCG Qualified Member Of The Engine Department (QMED) Exam

What is the primary purpose of a fuel injection nozzle in a marine diesel engine?

To preheat the fuel before combustion To atomize fuel and inject it into the combustion chamber at high pressure To filter contaminants from the fuel To regulate engine cooling water flow

Correct Answer:

To atomize fuel and inject it into the combustion chamber at high pressure

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