When restarting a heavy fuel diesel engine...

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Question 1 of 205eccefa3bacbc34ba4d47d39

When restarting a heavy fuel diesel engine that has been stopped for some time, the engineer should __________.

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5eccefa3bacbc34ba4d47d39

When restarting a heavy fuel diesel engine that has been stopped for some time, the engineer should __________.

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🔍 Key Concepts

• Heavy fuel oil (HFO) characteristics such as viscosity, ignition quality, and need for heating/conditioning • How starting and combustion are affected when an engine and fuel system have been idle and cooled down • What parameters (air, speed, injection pressure, or fuel properties) engineers can safely and practically adjust during starting

💭 Think About

• Think about what happens to heavy fuel in the lines and injectors when the engine sits stopped for a while. Does it get thicker or thinner? Easier or harder to ignite? • Which of the listed options is a normal, practical operational adjustment during a restart, and which would require design changes to the engine or fuel system? • Ask yourself: which choice directly helps ignition of cold, heavy fuel in a way an engineer can realistically control before or during start-up?

✅ Before You Answer

• Verify which options would require equipment redesign (e.g., different injectors or starting system) versus a simple operational procedure change • Consider standard practice: is it usual to change starting air pressure or fuel injection pressure just because the engine has been stopped? • Check which factor most directly improves ignition of cold heavy fuel without risking damage or operating outside normal limits

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Question 1 of 205eccefa3bacbc34ba4d47d39

When restarting a heavy fuel diesel engine that has been stopped for some time, the engineer should __________.

Back

Question 1 of 20

5eccefa3bacbc34ba4d47d39

When restarting a heavy fuel diesel engine that has been stopped for some time, the engineer should __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed