Fuels and Combustion Washing of coal Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content Improves its coking properties All of these Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content Improves its coking properties All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Largest constituent of blast furnace gas is CO H₂ CO₂ N₂ CO H₂ CO₂ N₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the All of these Use of preheated primary air Low fusion point of ash (< 1100° C) Use of thick fire bed All of these Use of preheated primary air Low fusion point of ash (< 1100° C) Use of thick fire bed ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of N-paraffin is lower than that of iso-paraffins of the same compounds Light paraffinic fuel oils is lower than that of equivalent olefins Light paraffinic fuel oils is higher than that of equivalent olefins Light paraffinic fuel oils is equal to that of equivalent olefins N-paraffin is lower than that of iso-paraffins of the same compounds Light paraffinic fuel oils is lower than that of equivalent olefins Light paraffinic fuel oils is higher than that of equivalent olefins Light paraffinic fuel oils is equal to that of equivalent olefins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal, the Yield of tar is about 3% of dry coal Yield of coke oven gas is 290 Nm³ /ton dry coal Temperature maintained is 700°C Volatile matter in coke is zero Yield of tar is about 3% of dry coal Yield of coke oven gas is 290 Nm³ /ton dry coal Temperature maintained is 700°C Volatile matter in coke is zero ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Traces of tar fog present in the coke oven gas is removed by Cyclone separator Electrostatic precipitator Washing with monoethanolamine Wet packed scrubber Cyclone separator Electrostatic precipitator Washing with monoethanolamine Wet packed scrubber ANSWER DOWNLOAD EXAMIANS APP