Fuels and Combustion Hard pitch is used for making Perfumes Pulverised fuel Insecticides Plastics Perfumes Pulverised fuel Insecticides Plastics 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? Erosion of induced draft fan blades Ash disposal problem High power consumption in its transportation Excessive fly-ash discharge from the stack Erosion of induced draft fan blades Ash disposal problem High power consumption in its transportation Excessive fly-ash discharge from the stack ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. 25 5 75 55 25 5 75 55 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal is done to reduce the Adhering impurities Both B and C Mineral matter Inherent impurities Adhering impurities Both B and C Mineral matter Inherent impurities 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 Burn CO to CO₂ Have proper combustion by supplying it around the burner Dry and transport the coal Preheat the tertiary air used for complete combustion of CO to CO₂ Burn CO to CO₂ Have proper combustion by supplying it around the burner Dry and transport the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Reduces the combustion efficiency by limiting the permissible temperature reduction Decreases the dew point Both B & C Increases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Decreases the dew point Both B & C Increases the dew point ANSWER DOWNLOAD EXAMIANS APP
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