Spontaneous combustion of coal on storage results due to___________________?

Related Mcqs:

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

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

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...

Fuel consumption in coke making can be reduced by___________________?

A. Preheating, blending and de-ashing the coal B. Stamped charging of coal C. Dry quenching of coke D. All A., B. and C....

Use of excess of combustion air in the combustion of fuels results in__________________?

A. Heat losses B. Long flame C. Condensation of water vapour from the fuel gas D. None of these...

Which of the following is the most reactive (as regards the formation of CO + H2 from C + H2O) ?

A. Blast furnace coke B. Low temperature coke C. Anthracite coal D. Sub-bituminous coal...