Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Sewage gas Natural gas Coke oven gas Blast furnace gas Sewage gas Natural gas Coke oven gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of stored coal results in the Decrease in its carbon & hydrogen content Increase in its oxygen content Decrease in its caking power & calorific value All of these Decrease in its carbon & hydrogen content Increase in its oxygen content Decrease in its caking power & calorific value All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is equal to the heat of formation Is always positive Can't be known without calculating it Is always negative Is equal to the heat of formation Is always positive Can't be known without calculating it Is always negative ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Mixed gas' used in steel plants is a mixture of Coke oven gas and L.P.G Blast furnace gas and naphtha vapor F. gas and coke oven gas Coke oven gas and converter gas Coke oven gas and L.P.G Blast furnace gas and naphtha vapor F. gas and coke oven gas Coke oven gas and converter gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the Coke oven battery heating Steel ladle drying Mixing with blast furnace gas Hot scarfing of steel slabs Coke oven battery heating Steel ladle drying Mixing with blast furnace gas Hot scarfing of steel slabs ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain CO CO₂ Both B & C H₂O CO CO₂ Both B & C H₂O ANSWER DOWNLOAD EXAMIANS APP