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Questions and Answers
What do indicator diagrams in a marine diesel engine represent?
What do indicator diagrams in a marine diesel engine represent?
- Temperature variations within the engine cylinder
- Fuel injection timing during the combustion process
- Exhaust gas recirculation rates
- Pressures and volumes within the engine cylinder during the operating cycle (correct)
What does the peak pressure in a marine diesel engine correspond to?
What does the peak pressure in a marine diesel engine correspond to?
- Pressure at the end of the exhaust stroke
- Pressure at the beginning of the compression stroke
- Average pressure throughout the operating cycle
- Maximum pressure reached during the power or combustion stroke (correct)
How is the variation of pressure within the cylinder throughout the engine's operating cycle often represented?
How is the variation of pressure within the cylinder throughout the engine's operating cycle often represented?
- In a torque-efficiency diagram
- In a speed-fuel diagram
- Known as pressure-volume (PV) diagram (correct)
- In a temperature-volume diagram
