Question

Why do large power plants use pulverized fuel firing system?

(a) Higher thermal efficiency

(b) Uses high grade coal

(c) Less smoke formation

(d) Troubles created in this system are less

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

I would like to ask this question from Pulverised Fuel Handling in chapter Steam Power Plant of Energy Engineering

Answer 1

Correct answer is (a) Higher thermal efficiency

The best I can explain: Most of the large power plants use pulverized fuel firing system since it is higher in its thermal efficiency. And selection of it mainly depends upon the size of boiler unit, type of the coal available, nature of load on the plant, load factor, cost of the fuel and availability of skilled labors.