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What happens to the engine if there is an increase in the temperature of the air+fuel mixture?

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in Automotive Engine Design by (137k points)
What happens to the engine if there is an increase in the temperature of the air+fuel mixture?

(a) Lower vibration

(b) Higher torque

(c) High efficiency

(d) Detonation

I got this question in a national level competition.

I need to ask this question from Petrol Engine Fuel Supply System in division Exhaust System & Petrol Engine Fuel Supply System of Automotive Engine Design

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Right answer is (d) Detonation

The explanation: One of the disadvantages of supercharging is that compressing the air increases its temperature. Extreme temperature will cause detonation of the fuel-air mixture.

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