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Which of the following is an indicator of the combustion speed of diesel fuel and compression needed for ignition?

(a) Cetane Number

(b) Octane Number

(c) Calorific Value

(d) Pre-Ignition

I have been asked this question by my college professor while I was bunking the class.

The above asked question is from I.C. Engine Components in portion Internal Combustion Engine of Farm Machinery

1 Answer

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Best answer
Right option is (a) Cetane Number

Best explanation: Octane number is the ignition quality of petrol. Calorific value is the energy contained by fuel determined by complete combustion. Pre-ignition is the premature combustion of the fuel air mixture.

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