Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Aliphatic tar is produced Free carbon in tar is more All of these Ammonia yield is more Aliphatic tar is produced Free carbon in tar is more All of these Ammonia yield is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to 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 Burn CO to CO₂ Have proper combustion by supplying it around the burner ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? High power consumption in its transportation Erosion of induced draft fan blades Excessive fly-ash discharge from the stack Ash disposal problem High power consumption in its transportation Erosion of induced draft fan blades Excessive fly-ash discharge from the stack Ash disposal problem ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 75 35 to 45 15 to 25 55 to 75 75 35 to 45 15 to 25 55 to 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Natural gas Producer gas Carburetted water gas Liquified petroleum gas Natural gas Producer gas Carburetted water gas Liquified petroleum gas ANSWER DOWNLOAD EXAMIANS APP
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