During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the _______________ of the mass?

Related Mcqs:

The maximum adiabatic flame temperature in air is _____________ the maximum flame temperature in pure oxygen?

A. Lower than B. Higher than C. Same as D. Not related to...

Coke oven gas burns with a yellowish flame, because of the presence of __________________?

A. CO2 B. CH4 C. H2 D. NH3...

Which of the following has the highest calorific value ?

A. Lignite B. Sub-bituminous coal C. Anthracite D. Peat...

Bomb calorimeter is used for the determination of calorific value of the _____________ fuels?

A. Gaseous B. Solid C. Liquid D. Both B. and C....

Pensky-Marten apparatus is used for those oils, whose flash points are _____________ °F?

A. < 120 B. > 120 C. < 90 D. 90-110...