Fuels and Combustion Function of secondary air in pulverised coal firing is to Ensure efficient burning of coal around the burner Reduce primary air requirement Transport the coal to the burner Dry the coal Ensure efficient burning of coal around the burner Reduce primary air requirement Transport the coal to the burner Dry the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? None of these CO CH₄ H₂ None of these CO CH₄ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 20000 500 1500 6500 20000 500 1500 6500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 100 to 150 700 to 850 550 to 650 350 to 450 100 to 150 700 to 850 550 to 650 350 to 450 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Moisture loss is determined by the Moisture content of fuel The water formed by combustion reaction Humidity of combustion air Both A and B Moisture content of fuel The water formed by combustion reaction Humidity of combustion air Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by Potassium hydroxide Dilute potassium carbonate Alkaline pyragllol solution Cuporus chloride Potassium hydroxide Dilute potassium carbonate Alkaline pyragllol solution Cuporus chloride ANSWER DOWNLOAD EXAMIANS APP
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