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How much power output can be achieved by using fuel of octane rating 100?

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in Engineering Chemistry II by (789k points)
How much power output can be achieved by using fuel of octane rating 100?

(a) 21.3 %

(b) 10.5 %

(c) 26.7 %

(d) 35.9 %

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This interesting question is from Anti Knocking Agents topic in division Fuels and Combustion of Engineering Chemistry II

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Right choice is (c) 26.7 %

Best explanation: If the compression ratio is suitably adjusted, an increase in octane number from 73 to 100 increases the power output by 26.7 % and reduces the fuel consumption by 29 %. However, there is no practical advantage of using fuel of high octane number.

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