Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 1500 500 20000 6500 1500 500 20000 6500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Banking Under pressurising Back draughting None of these Banking Under pressurising Back draughting None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Coalification Gasification Carbonisation Oxidation Coalification Gasification Carbonisation Oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Tar yield is more Ignition temperature of coke produced is less Aromatic content of tar produced is more Gas yield is less Tar yield is more Ignition temperature of coke produced is less Aromatic content of tar produced is more Gas yield is less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised fuel All of these Requires larger combustion chamber than rich gaseous fuel Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel All of these Requires larger combustion chamber than rich gaseous fuel Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by Air Oxygen enriched air None of these Oxygen Air Oxygen enriched air None of these Oxygen ANSWER DOWNLOAD EXAMIANS APP
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