Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 4000 1000 15000 8000 4000 1000 15000 8000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always 1 < 1 Unpredictable > 1 1 < 1 Unpredictable > 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires High excess air All of these Fine grinding Low preheat of air High excess air All of these Fine grinding Low preheat of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C/H ratio is the maximum in case of Furnace oil Natural gas Naphtha Coal Furnace oil Natural gas Naphtha Coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sooty flame can be made non-luminous by Shutting air supply Admitting more air Shutting gas supply Admitting more gas Shutting air supply Admitting more air Shutting gas supply Admitting more gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the Low calorific value of the fuel Lack of thorough mixing of fuel with air High sulphur content in the fuel Presence of large quantity of hydrogen in the fuel Low calorific value of the fuel Lack of thorough mixing of fuel with air High sulphur content in the fuel Presence of large quantity of hydrogen in the fuel ANSWER DOWNLOAD EXAMIANS APP
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