Fuels and Combustion When the coal is heated in absence of air, it is called its Gasification Coalification Carbonisation Deoxidation Gasification Coalification Carbonisation Deoxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Buckling of ram of pusher car at the time of coke pushing Problem of uniform heating along its height Problem in door cleaning Structural strength of silica bricks Buckling of ram of pusher car at the time of coke pushing Problem of uniform heating along its height Problem in door cleaning Structural strength of silica bricks ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel with high heat release rate will Require smaller combustion chamber Have high adiabatic flame temperature Have high calorific value None of these Require smaller combustion chamber Have high adiabatic flame temperature Have high calorific value None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens Produces larger size coke None of these May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation Produces larger size coke None of these May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of purified Lurgi gas are H₂, CmHn & CO₂ CO₂, O₂ & CO N₂, H₂ & CO₂ CO, H₂ & CH₄ H₂, CmHn & CO₂ CO₂, O₂ & CO N₂, H₂ & CO₂ CO, H₂ & CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 1000 15000 8000 4000 1000 15000 8000 4000 ANSWER DOWNLOAD EXAMIANS APP