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Where are pulverized fuel firers used?

(a) Large capacity plants

(b) Small capacity plants

(c) Medium capacity Plants

(d) Domestic plants

I have been asked this question during an interview.

Question is from Pulverised Fuel Burning topic in portion Steam Power Plant of Energy Engineering

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Best answer
Correct choice is (a) Large capacity plants

Best explanation: Pulverized fuel firers are used in large capacity plants. The conventional or stoker firing methods were unable to meet the variable loads on the plants and were unsuitable for large capacity plants. Using pulverized fuel firer gives higher thermal efficiency, better control as per load on the plant and uses low grade coal.

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