4-Stroke Timing Diagram and PV Diagram Quiz
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Questions and Answers

What does the 4-stroke timing diagram illustrate?

  • The valve clearance adjustment process
  • The sequence of events in an internal combustion engine over two revolutions (correct)
  • The ignition timing in a spark-ignition engine
  • The fuel injection timing in a diesel engine

    • How is the PV diagram related to the 4-stroke timing diagram?

  • It shows the pressure variations in the engine's cooling system
  • It represents the thermodynamic processes occurring in the engine during the 4-stroke cycle (correct)
  • It illustrates the changes in volume during the engine's exhaust stroke
  • It indicates the variations in fuel viscosity during the engine's combustion stroke

    • What is the significance of the relationship between the 4-stroke timing diagram and PV diagram?

  • It helps in analyzing the engine's efficiency and performance (correct)
  • It indicates the engine's fuel consumption rate
  • It influences the engine's exhaust emission levels
  • It determines the engine's maximum RPM

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