Fuels and Combustion Volatile matter content in coking coal may be about __________ percent. 46 7 22 1 46 7 22 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has Lower strength Lower bulk density Higher reactivity All of these Lower strength Lower bulk density Higher reactivity All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is always positive Is always negative Is equal to the heat of formation Can't be known without calculating it Is always positive Is always negative Is equal to the heat of formation Can't be known without calculating it ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its Strength Hardness Reactivity None of these Strength Hardness Reactivity None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing high amount of volatile matter will have High fusion point of its ash Very little ash content Low adiabatic flame temperature Low ignition temperature High fusion point of its ash Very little ash content Low adiabatic flame temperature Low ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal All of these Coke oven gas yield is more Calorific value of coke oven gas is less Tar yield is less but free carbon in tar is more All of these Coke oven gas yield is more Calorific value of coke oven gas is less Tar yield is less but free carbon in tar is more ANSWER DOWNLOAD EXAMIANS APP