Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. None of these Electrical resistivity Porosity Density None of these Electrical resistivity Porosity Density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Very low calorific value coke oven gas Soft coke Metallurgical coke No by-products Very low calorific value coke oven gas Soft coke Metallurgical coke No by-products ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 48 8 80 18 48 8 80 18 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draught produced by a chimney depends upon the Both A & B Neither A nor B Density of the chimney gases Height of the chimney Both A & B Neither A nor B Density of the chimney gases Height of the chimney ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 1000 6000 4000 8000 1000 6000 4000 8000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Pitch-cresosote mixture (PCM) Benzol Napthalene Ethylene Pitch-cresosote mixture (PCM) Benzol Napthalene Ethylene ANSWER DOWNLOAD EXAMIANS APP