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The fuel should have high anti-knock value to make use of what?

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in Automotive Engine Design by (137k points)
The fuel should have high anti-knock value to make use of what?

(a) Higher compression ratio

(b) Lower compression ratio

(c) Higher noise

(d) Higher knock

The question was posed to me in final exam.

The origin of the question is Properties of Conventional Fuels topic in portion Fuels, Intake System & Leakage Preventers of Automotive Engine Design

1 Answer

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Right answer is (a) Higher compression ratio

To elaborate: Volatility indicates the tendency of the fuel to change from liquid to vapor form, and the fuel should have high anti-knock value to make use of a Higher compression ratio.

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