Fuels and Combustion Mineral matter content (M) and ash content (A) in coal are approximately related as M = 1.1A M = 1.5A M = 2A M = A M = 1.1A M = 1.5A M = 2A M = A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal All of these Calorific value of coke oven gas is less Coke oven gas yield is more Tar yield is less but free carbon in tar is more All of these Calorific value of coke oven gas is less Coke oven gas yield is more Tar yield is less but free carbon in tar is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Structural strength of silica bricks Buckling of ram of pusher car at the time of coke pushing Problem of uniform heating along its height Problem in door cleaning Structural strength of silica bricks Buckling of ram of pusher car at the time of coke pushing Problem of uniform heating along its height Problem in door cleaning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cooling medium used in dry quenching of coke is Phenolic water Carbon dioxide Nitrogen Air Phenolic water Carbon dioxide Nitrogen Air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is Stronger Smaller in size Less reactive All of these Stronger Smaller in size Less reactive All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not endothermic? Partial oxidation Gasification Reforming Cracking Partial oxidation Gasification Reforming Cracking ANSWER DOWNLOAD EXAMIANS APP