Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Fussain Vitrain Clarain Durain Fussain Vitrain Clarain Durain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens Increases the time of carbonisation May damage its walls due to abrupt excessive swelling of coal Produces larger size coke None of these Increases the time of carbonisation May damage its walls due to abrupt excessive swelling of coal Produces larger size coke None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it None of these Shows little or no fusing action Burns completely Gives smokeless burning None of these Shows little or no fusing action Burns completely Gives smokeless burning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 100 to 150 700 to 850 350 to 450 550 to 650 100 to 150 700 to 850 350 to 450 550 to 650 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fertilisers is produced in the by-products recovery (from coke oven gas) plant attached to an integrated steel plant? Ammonium sulphate None of these Ammonium nitrate Ammonium phosphate Ammonium sulphate None of these Ammonium nitrate Ammonium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm³. 3000 300 30, 000 30 3000 300 30, 000 30 ANSWER DOWNLOAD EXAMIANS APP
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