Volatile matter content in coking coal may be about _____________ percent?

Related Mcqs:

Very ______________ coals are completely devoid of cokability i.e., it is non-coking ?

A. Young B. Mature C. Both A & B D. Neither A nor B...

In low temperature carbonisation (as compared to high temperature carbonisation) of coal__________________?

A. Ammonia yield is more B. Aliphatic tar is produced C. Free carbon in tar is more D. All A., B. and C....

Coke oven gas constitutes mainly of ____________________?

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

Calorific value of wood gas is about ______________ kcal/Nm3?

A. 1500 B. 3300 C. 5400 D. 8500...

Spontaneous combustion of coal on storage results due to___________________?

A. Inadequate ventilation B. Low temperature oxidation C. Storage in large heaps with small surface to volume ratio D. All A., B. and C....