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On what factors does the burning of pulverised coal depends?

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in Engineering Chemistry II by (789k points)
On what factors does the burning of pulverised coal depends?

(a) The calorific value of fuel

(b) Bulk density

(c) Percentage of volatile matter

(d) On the texture of coal

This question was posed to me at a job interview.

Enquiry is from Pulverised Coal topic in portion Fuels and Combustion of Engineering Chemistry II

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Correct answer is (c) Percentage of volatile matter

Best explanation: Coal having high volatile matter is used for making pulverised coal. As soon as it is fired, the volatile matter starts burning which helps in increasing the rate of combustion. The degree of fitness of particles also helps in the burning of pulverised coal.

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