Fuels and Combustion As time passes, the calorific value of stored coal Remains unaltered Increases May increase or decrease (depends on the method of storage) Decreases Remains unaltered Increases May increase or decrease (depends on the method of storage) Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Adiabatic flame temperature of a fuel is dependent on the initial temperature of Fuel Neither A nor B Air Both A & B Fuel Neither A nor B Air Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Mixed gas' used in steel plants is a mixture of 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 Coke oven gas and L.P.G Blast furnace gas and naphtha vapor ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Washing fine coal dust (< 0.5 mm size) All of these Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) All of these Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? CO None of these H₂ CH₄ CO None of these H₂ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Blast furnace coke Anthracite coal Sub-bituminous coal Low temperature coke Blast furnace coke Anthracite coal Sub-bituminous coal Low temperature coke ANSWER DOWNLOAD EXAMIANS APP
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