Weathering of coal during storage causes_______________?

Related Mcqs:

The gas which contributes maximum to the heating value of natural gas is __________________?

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

Nitrogen present in the flue gas is determined in the Orsat apparatus by absorbing it in_____________________?

A. KOH B. Ammoniacal cuprous chloride C. Pyrogallol solution D. None of these...

Power alcohol as compared to straight run gasoline has lower ________________?

A. Calorific value B. Octane number C. Specific gravity D. Viscosity...

Increase in ash content of blast furnace coke_________________?

A. Reduces its consumption in the furnace B. Increases its consumption in the furnace C. Does not affect its consumption in the furnace D. Decreases its hardness and abrasion resistance...

Which of the following is not a by-product recovered in a high temperature coal carbonisation plant ?

A. Benzol B. Pitch-creosote mixture (PCM) C. Naphthalene D. Ethylene...