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A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of ___________

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A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of ___________

(a) 75% iso-octane and 25% normal heptane

(b) 75% normal heptane and 25% iso-octane

(c) 75% petrol and 25% diesel

(d) 75% diesel and 25% petrol

I had been asked this question during an interview.

I'd like to ask this question from Dual Fuel Operations in section Conventional and Alternate Fuels of IC Engine

1 Answer

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Best answer
Correct choice is (a) 75% iso-octane and 25% normal heptane

Explanation: None.

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