Fuels and Combustion Junker's calorimeter is used to determine the calorific value of None of these Fuel oil Gaseous fuels Pulverised coal None of these Fuel oil Gaseous fuels Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Both A & B Because, it alone produces unreactive coke Neither A nor B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Both A & B Because, it alone produces unreactive coke Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Transport the coal to the burner Ensure efficient burning of coal around the burner Reduce primary air requirement Dry the coal Transport the coal to the burner Ensure efficient burning of coal around the burner Reduce primary air requirement Dry the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bulk density of pulverised coal may be about __________ kg/m³. 100 1000 500 1500 100 1000 500 1500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Same More Less Data insufficient; can't be predicted Same More Less Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature 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 Methane percentage in the coke oven gas increases Hydrogen percentage in the coke oven gas decreases Tar yield increases ANSWER DOWNLOAD EXAMIANS APP
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