Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Supplying correct amount of combustion air Reducing sulphur content in the fuel Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation Supplying correct amount of combustion air Reducing sulphur content in the fuel Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO (upto 65%) & CO₂ CO & O₂ CO₂ & H₂ CO₂ & O₂ CO (upto 65%) & CO₂ CO & O₂ CO₂ & H₂ CO₂ & O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of __________ the flame temperature. Either the fuel or the air does not affect The gaseous fuel before combustion decreases Combustion air decreases Either the fuel or the air or both, increases Either the fuel or the air does not affect The gaseous fuel before combustion decreases Combustion air decreases Either the fuel or the air or both, increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. CO₂ content Dew point O₂ content CO content CO₂ content Dew point O₂ content CO content 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 H₂ N₂ CO₂ CH₄ H₂ N₂ CO₂ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the 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 Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air ANSWER DOWNLOAD EXAMIANS APP
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