Fuels and Combustion In Lurgi coal gasifier, Coking coals cannot be used Larger quantity of coal can be processed Entrainment of solids is higher Low carbon conversion efficiency is achieved Coking coals cannot be used Larger quantity of coal can be processed Entrainment of solids is higher Low carbon conversion efficiency is achieved ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Tar yield is more Aromatic content of tar produced is more Ignition temperature of coke produced is less Gas yield is less Tar yield is more Aromatic content of tar produced is more Ignition temperature of coke produced is less Gas yield is less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Burn CO to CO₂ Have proper combustion by supplying it around the burner Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Burn CO to CO₂ Have proper combustion by supplying it around the burner Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its Sulphur content is lower All of these Flue gas has lower dew point thereby facilitating more waste heat recovery Emissivity factor is higher Sulphur content is lower All of these Flue gas has lower dew point thereby facilitating more waste heat recovery Emissivity factor is higher ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good coking coal should have high __________ content. Ash None of these Sulphur & phosphorus Moisture Ash None of these Sulphur & phosphorus Moisture ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 550 1150 750 950 550 1150 750 950 ANSWER DOWNLOAD EXAMIANS APP