Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Increase Decrease Remain unchanged May increase or decrease ; depends on the quantity of products of combustion Increase Decrease Remain unchanged May increase or decrease ; depends on the quantity of products of combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in moisture content of coal, its Calorific value increases sometimes Bulk density always decreases Clinkering tendency during combustion increases None of these Calorific value increases sometimes Bulk density always decreases Clinkering tendency during combustion increases None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of methane in coke oven gas may be around 50 25 15 5 50 25 15 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. 25 55 5 75 25 55 5 75 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. Porosity Electrical resistivity None of these Density Porosity Electrical resistivity None of these Density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content in coking coal may be about __________ percent. 7 22 1 46 7 22 1 46 ANSWER DOWNLOAD EXAMIANS APP
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