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in Farm Machinery by (38.9k points)
Diesel fuel are rated by ____________

(a) Octane number

(b) Cetane number

(c) Calorific value

(d) Engine efficiency

I had been asked this question in a job interview.

My doubt is from Fuel Supply System in Ignition or Diesel Engine topic in portion Ignition and Power Transmission of Farm Machinery

1 Answer

+2 votes
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Best answer
The correct choice is (b) Cetane number

To explain I would say: Diesel fuels are rated according to cetane number which is the indication of ignition quality of fuel. The higher the cetane number the better the ignition quality of the fuel.

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