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The compression ratio in petrol engine is kept less than in Diesel engine because

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The compression ratio in petrol engine is kept less than in Diesel engine because
  • AIt makes petrol engines lighter
  • BHigher or equivalent compression ratio in petrol engines is not possible due to pre-ignition
  • CLess compression ratio gives better performance
  • DIt is just customary to have less compression ratio in petrol engines
Correct answer: B
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Higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition

The compression ratio in petrol engine is kept less than in Diesel engine because Higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition