Fuels and Combustion A sooty flame can be made non-luminous by Admitting more gas Shutting gas supply Admitting more air Shutting air supply Admitting more gas Shutting gas supply Admitting more air Shutting air supply ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 100 85 70 50 100 85 70 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Carbon Moisture Ash Volatiles Carbon Moisture Ash Volatiles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the Supply of excess air Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess fuel None of these Supply of excess air Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess fuel None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas containing least amount of tar is produced by the Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) High pressure gasification of coal (e.g. in Lurgi gasifier) Partial combustion of large size (< 50 mm) coke Partial combustion of coal Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) High pressure gasification of coal (e.g. in Lurgi gasifier) Partial combustion of large size (< 50 mm) coke Partial combustion of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draft created by the chimney depends upon Its height Neither A nor B Temperature of the flue gas Both A & B Its height Neither A nor B Temperature of the flue gas Both A & B ANSWER DOWNLOAD EXAMIANS APP