When a generator diesel engine is operated...

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Question 1 of 205eccefa1bacbc34ba4d47419

When a generator diesel engine is operated at partial load, as compared to full load, a decrease will occur in the average __________.

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5eccefa1bacbc34ba4d47419

When a generator diesel engine is operated at partial load, as compared to full load, a decrease will occur in the average __________.

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🔍 Key Concepts

• How engine piston speed is determined and what variables affect it • What changes in the combustion space between full load vs partial load operation • The difference between compression pressure (before firing) and combustion pressure (during the power stroke)

💭 Think About

• Which of these four items is directly related to engine RPM, and does load normally change RPM on a generator set? • At partial load, is there more or less fuel injected per cycle, and how does that affect the pressure developed during the power stroke? • Does simply changing the load on the generator, without changing RPM, significantly change the maximum pressure reached during compression before injection?

✅ Before You Answer

• Identify which options are mainly a function of mechanical speed (RPM and stroke) versus fuel quantity and burning • Separate in your mind compression stroke (air only, before fuel) from power stroke (after fuel burns) • Assume a typical generator diesel where speed is governor-controlled to stay nearly constant with changing electrical load. Use that to eliminate at least one or two choices.

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Study

Question 1 of 205eccefa1bacbc34ba4d47419

When a generator diesel engine is operated at partial load, as compared to full load, a decrease will occur in the average __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d47419

When a generator diesel engine is operated at partial load, as compared to full load, a decrease will occur in the average __________.

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