Fuels and Combustion For long flame and easy ignition, the coal used should have High calorific value Low ash High volatile matter High ash High calorific value Low ash High volatile matter High ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of purified Lurgi gas are H₂, CmHn & CO₂ CO, H₂ & CH₄ N₂, H₂ & CO₂ CO₂, O₂ & CO H₂, CmHn & CO₂ CO, H₂ & CH₄ N₂, H₂ & CO₂ CO₂, O₂ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Coking tendency Caking tendency Clinkering tendency Size stability Coking tendency Caking tendency Clinkering tendency Size stability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High ash containing coke Has poor strength and abrasion resistance Is desirable in producer gas manufacture None of these Produces more slag when used in the blast furnace Has poor strength and abrasion resistance Is desirable in producer gas manufacture None of these Produces more slag when used in the blast furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal is done to reduce the Adhering impurities Both B and C Inherent impurities Mineral matter Adhering impurities Both B and C Inherent impurities Mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Lime and magnesia Iron silicate All of these Iron sulphate Lime and magnesia Iron silicate All of these Iron sulphate ANSWER DOWNLOAD EXAMIANS APP
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