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Which of the following reasons represe


Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?

  • Acompression must be low for effective spark ignition
  • Bcompression must be low for required horsepower and torque generation
  • Ccompression must be low to prevent pre-ignition
  • Dcompression must be low to have effective pre-ignition
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