Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 4000 8000 1000 6000 4000 8000 1000 6000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 47.3 23 42.9 27.6 47.3 23 42.9 27.6 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high All of these Fuel consumption for the same heat load Stack gas temperature Percentage of oxygen in flue gases All of these Fuel consumption for the same heat load Stack gas temperature Percentage of oxygen in flue gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bright coal Contains more than 90% fussain Contains more than 90% durain Is non-coking Contains mainly vitrain & clarain and is generally coking Contains more than 90% fussain Contains more than 90% durain Is non-coking Contains mainly vitrain & clarain and is generally coking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 8 36 22 12 8 36 22 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about 25000 kcal/kg Same as that of coal middling 8800 kcal/m³ 8800 kcal/kg 25000 kcal/kg Same as that of coal middling 8800 kcal/m³ 8800 kcal/kg ANSWER DOWNLOAD EXAMIANS APP
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