Washing of coal decreases its_________________?

Related Mcqs:

Main constituent of the gas produced from a gobar gas plant is___________________?

A. CO2 B. CH4 C. H2 D. CO...

‘Fat coals’ are those coals which have very high____________________?

A. Caking capacity B. Volatile matter content C. Fusion point of its ash D. Inherent moisture content...

Pick out the wrong statement ?

A. Cokes of high reactivity are obtained from weakly coking coals B. Cokes of high reactivity are obtained from strongly coking coals C. Reactivity of coke is inversely proportional to its absolute density D. Abrasion index of the coke is a measure of its hardness...

Ultimate analysis of coal determines its _______________ content?

A. Carbon, hydrogen, nitrogen & sulphur B. Carbon, ash, sulphur & nitrogen C. Carbon, sulphur, volatile matter & ash D. Carbon, volatile matter, ash & moisture...

Which of the following constituents of coal is the most important in the production of coke ?

A. Moisture B. Ash C. Volatiles D. Carbon...