Fuels and Combustion Low temperature carbonisation of coal produces No by-products Metallurgical coke Soft coke Very low calorific value coke oven gas No by-products Metallurgical coke Soft coke Very low calorific value coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high volatile matter content will Have a very high calorific value None of these Give less yield of tar and gas on carbonisation Burn with a small non-smoky flame Have a very high calorific value None of these Give less yield of tar and gas on carbonisation Burn with a small non-smoky flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal, the Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal Yield of tar is about 3% of dry coal Temperature maintained is 700°C Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal Yield of tar is about 3% of dry coal Temperature maintained is 700°C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Dry the coal Transport the coal to the burner Reduce primary air requirement Ensure efficient burning of coal around the burner Dry the coal Transport the coal to the burner Reduce primary air requirement Ensure efficient burning of coal around the burner ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Swelling number decreases Swelling number increases Bulk density decreases Calorific value increases Swelling number decreases Swelling number increases Bulk density decreases Calorific value increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke ovens in steel plant are heated by Mixed gas Electricity Coke oven gas Both B & C Mixed gas Electricity Coke oven gas Both B & C ANSWER DOWNLOAD EXAMIANS APP
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