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Without any fear of which of the following higher compression ratios can be adopted in the petrol injection system?

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in Automotive Engine Design by (137k points)
Without any fear of which of the following higher compression ratios can be adopted in the petrol injection system?

(a) Ignition lag

(b) After burning

(c) Detonation

(d) Flame propagation

This question was posed to me during an interview.

My enquiry is from Petrol Injection in division Petrol Engine Fuel Supply System of Automotive Engine Design

1 Answer

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Best answer
Correct answer is (c) Detonation

For explanation I would say: In a fuel injector a very high-quality fuel distribution is obtained due to which higher compression ratios can be adopted without and danger of detonation occurring. Whereas the ignition lag, after burning and flame propagation are the process of combustion.

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