Question

Why is weighment of the coal essential in the plants?

(a) For knowing the quantity of the coal present

(b) For getting optimum efficiency

(c) For knowing which type of coal has good fuel content

(d) To separate the grades of coal

This question was addressed to me at a job interview.

This intriguing question originated from Coal Weighing Methods in chapter Steam Power Plant of Energy Engineering

Answer 1

Correct option is (b) For getting optimum efficiency

The best I can explain: The consumption of coal and its cost has major important once as coal forms the basic ingredient of the thermal power plant. Weighment of coal is essential for getting optimum plant efficiency at reduced cost using weighers.