Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO & O₂ CO₂ & O₂ CO₂ & H₂ CO (upto 65%) & CO₂ CO & O₂ CO₂ & O₂ CO₂ & H₂ CO (upto 65%) & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 3.76 4.76 0.21 0.79 3.76 4.76 0.21 0.79 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which will have the least volatile matter and hence will be the most difficult to ignite? Semi-bituminous coal Aanthracite Bituminous coal Coke Semi-bituminous coal Aanthracite Bituminous coal Coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Vitrain Fussain Clarain Durain Vitrain Fussain Clarain Durain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Causes brittleness in steel None of these Decreases the hardness of coke Decreases the abrasion resistance of coke Causes brittleness in steel None of these Decreases the hardness of coke Decreases the abrasion resistance of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt 'using theoretical amount of air in Air Either A or C without gain or loss of heat Either A or B Oxygen Air Either A or C without gain or loss of heat Either A or B Oxygen ANSWER DOWNLOAD EXAMIANS APP
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