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Q. In a diesel engine the high temperature needed to ignite the fuel is achieved by

  • (A) Using heat from exhaust
  • (B) The battery
  • (C) Compressing air in the cylinders
  • (D) An electrical spark
  • Correct Answer - Option(C)
  • Views: 7
  • Filed under category Physics
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Explanation by: Admin
The diesel engine gains its energy by burning fuel injected or sprayed into the compressed, hot air charge within the cylinder. The air must be heated to a temperature greater than the temperature at which the injected fuel can ignite.

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