Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Both A & B Higher calorific value Neither A nor B Lower hydrogen content Both A & B Higher calorific value Neither A nor B Lower hydrogen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross calorific value will be equal to the net calorific value for C₂H₆ CO H₂ C₂H₂ C₂H₆ CO H₂ C₂H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Decreases Remains same Either A or B, depends on other factors Increases Decreases Remains same Either A or B, depends on other factors Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Coke even gas yield increases Hydrogen percentage in the coke oven gas decreases Tar yield increases Methane percentage in the coke oven gas increases Coke even gas yield increases Hydrogen percentage in the coke oven gas decreases Tar yield increases Methane percentage in the coke oven gas increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess air None of these Supply of excess fuel Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess air None of these Supply of excess fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard pitch is used for making Insecticides Pulverised fuel Perfumes Plastics Insecticides Pulverised fuel Perfumes Plastics ANSWER DOWNLOAD EXAMIANS APP