Fuels and Combustion In low temperature carbonisation of coal, the Temperature maintained is 700°C Yield of coke oven gas is 290 Nm³ /ton dry coal Volatile matter in coke is zero Yield of tar is about 3% of dry coal Temperature maintained is 700°C Yield of coke oven gas is 290 Nm³ /ton dry coal Volatile matter in coke is zero Yield of tar is about 3% of dry coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When the coal is heated in absence of air, it is called its Deoxidation Gasification Carbonisation Coalification Deoxidation Gasification Carbonisation Coalification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 550 to 650 100 to 150 700 to 850 350 to 450 550 to 650 100 to 150 700 to 850 350 to 450 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is Pitch Pulverised coke Coke oven gas Tar Pitch Pulverised coke Coke oven gas Tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its Flue gas has lower dew point thereby facilitating more waste heat recovery Emissivity factor is higher All of these Sulphur content is lower Flue gas has lower dew point thereby facilitating more waste heat recovery Emissivity factor is higher All of these Sulphur content is lower ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Ash content Mineral matter content Caking index Both B and C Ash content Mineral matter content Caking index Both B and C ANSWER DOWNLOAD EXAMIANS APP
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