Fuels and Combustion With increases in carbonisation temperature Methane percentage in the coke oven gas increases Hydrogen percentage in the coke oven gas decreases Tar yield increases Coke even gas yield increases Methane percentage in the coke oven gas increases Hydrogen percentage in the coke oven gas decreases Tar yield increases Coke even gas yield increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Decrease May increase or decrease ; depends on the quantity of products of combustion Increase Remain unchanged Decrease May increase or decrease ; depends on the quantity of products of combustion Increase Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the heaviest fuel gas out of the following? Carburetted water gas Water gas Blast furnace gas Coke oven gas Carburetted water gas Water gas Blast furnace gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Natural gas Producer gas Liquified petroleum gas Carburetted water gas Natural gas Producer gas Liquified petroleum gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High ash High calorific value Low ash High volatile matter High ash High calorific value Low ash High volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Because, it alone produces unreactive coke Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B Because, it alone produces unreactive coke Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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