Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = 1.8 A M = 1.1 A M = 0.5 A M = A M = 1.8 A M = 1.1 A M = 0.5 A M = A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the Supply of excess air Supply of excess fuel None of these Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess air Supply of excess fuel None of these Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³. 6500 2500 4000 10000 6500 2500 4000 10000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Electrical resistivity None of these Density Porosity Electrical resistivity None of these Density Porosity 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 The calorific value of producer gas is around __________ kcal/Nm³ 1300 4500 500 9000 1300 4500 500 9000 ANSWER DOWNLOAD EXAMIANS APP