Fuels and Combustion For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ? F. gas and coke oven gas Propane and LPG Propane and acetylene Sewage gas and gobar gas F. gas and coke oven gas Propane and LPG Propane and acetylene Sewage gas and gobar gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with Theoretically required amount of air Less than theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen Theoretically required amount of air Less than theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Heat losses Long flame Condensation of water vapour from the fuel gas None of these Heat losses Long flame Condensation of water vapour from the fuel gas None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking coal is desirable for Burning on travelling grate Burning on firebars All of these Coke making Burning on travelling grate Burning on firebars All of these Coke making ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require maximum amount of % excess air for complete combustion? Pulverised coal Coke oven gas Lump coal (fixed on chain grate) Furnace oil Pulverised coal Coke oven gas Lump coal (fixed on chain grate) Furnace oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is CH₄ H₂ CO₂ N₂ CH₄ H₂ CO₂ N₂ ANSWER DOWNLOAD EXAMIANS APP
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