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The SI engines are not supercharged due to
  • a)
    power loss
  • b)
    heavy engine structure
  • c)
    increased knocking
  • d)
    drop in volumetric efficiency
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The SI engines are not supercharged due toa)power lossb)heavy engine s...
The degree of supercharging in SI engines is limited by the knock. The increase in P and T reduces ignition delay and consequently increases the knocking tendency.
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Community Answer
The SI engines are not supercharged due toa)power lossb)heavy engine s...
For supercharging high compression ratio is needed which is not suitable in SI engine
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