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Doctors Medicines MCQs Q&A

  1. It makes petrol engines lighter
  2. Higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition
  3. Less compression ratio gives better performance
  4. It is just customary to have less compression ratio in petrol engines
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1 Answers

Answer: Option 2

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

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