Fuels and Combustion Blast furnace coke is made from coal by Low temperature carbonisation Heating the coal in an oven in presence of air Medium temperature carbonisation High temperature carbonisation Low temperature carbonisation Heating the coal in an oven in presence of air Medium temperature carbonisation High temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases is heavier than air? Coke oven gas Natural gas Blast furnace gas Water gas Coke oven gas Natural gas Blast furnace gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes All of these Increase in its friability Reduction in coal size Decrease in its caking capacity All of these Increase in its friability Reduction in coal size Decrease in its caking capacity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 6500 1500 20000 500 6500 1500 20000 500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Density None of these Porosity Electrical resistivity Density None of these Porosity Electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of nitrogen in blast furnace gas may be around 80 5 25 55 80 5 25 55 ANSWER DOWNLOAD EXAMIANS APP
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