A main propulsion diesel engine is normally...

Question 1 / 270705eccefa1bacbc34ba4d47751

Question 1 of 270705eccefa1bacbc34ba4d47751

A main propulsion diesel engine is normally shutdown by __________.

Question 1 of 27070

A main propulsion diesel engine is normally shutdown by __________.

🔍 Key Concepts

• basic operation of diesel engines vs gasoline engines • how combustion occurs in a diesel engine (compression ignition, no spark plugs) • common safe methods for securing large marine diesel engines

💭 Think About

• Ask yourself: in a diesel engine, what actually causes the fuel to burn if there is no traditional ignition system? • Which method would stop the combustion process in a controlled, routine way without damaging the engine? • Which options sound more like an emergency or dangerous condition rather than a normal shutdown procedure?

✅ Before You Answer

• Identify whether a main marine diesel normally has a spark/ignition system like a gasoline engine. • Decide which control—air, fuel, or ignition—is routinely adjusted by the engineer at the control stand to change speed and secure the engine. • Eliminate any option that would obviously risk serious mechanical damage instead of being a standard operating practice.

Question 1 of 27070

A main propulsion diesel engine is normally shutdown by __________.

shutting off the air supply

overspeeding the engine

securing the fuel supply

securing the ignition system