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Questions and Answers
What is a key factor in achieving efficient combustion in marine engines?
What is a key factor in achieving efficient combustion in marine engines?
- Increased engine size
- More frequent maintenance
- Proper air-fuel ratio (correct)
- Higher exhaust temperature
How does excess air affect combustion in marine engines?
How does excess air affect combustion in marine engines?
- Reduces the temperature of combustion
- Improves fuel efficiency
- Has no impact on combustion
- Increases the formation of nitrogen oxides (correct)
What role does proper injection timing play in achieving efficient combustion in marine engines?
What role does proper injection timing play in achieving efficient combustion in marine engines?
- Increases exhaust emissions
- Enhances combustion efficiency (correct)
- Minimizes fuel consumption
- Reduces engine noise
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