Fuels and Combustion Out of the following fuels, the difference between gross and net calorific value will be minimum in case of Blast furnace gas Natural gas Coke oven gas Water gas Blast furnace gas Natural gas Coke oven gas Water gas 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 Data insufficient; can't be predicted Less Same More Data insufficient; can't be predicted Less Same More ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 1400-1500 400-500 1700-1800 900-1000 1400-1500 400-500 1700-1800 900-1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Moisture loss is determined by the Humidity of combustion air The water formed by combustion reaction Both A and B Moisture content of fuel Humidity of combustion air The water formed by combustion reaction Both A and B Moisture content of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal All of these Hard semi-coke starts shrinking at 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C All of these Hard semi-coke starts shrinking at 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in None of these Heat losses Condensation of water vapour from the fuel gas Long flame None of these Heat losses Condensation of water vapour from the fuel gas Long flame ANSWER DOWNLOAD EXAMIANS APP
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