Fuels and Combustion Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about 8800 kcal/kg 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have low fusion point of its ash Should be brittle Should have high porosity Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have low fusion point of its ash Should be brittle Should have high porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Durain Fussain Vitrain Clarain Durain Fussain Vitrain Clarain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Provides better control of furnace temperature Facilitates combustion with lower excess air All of these Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature Facilitates combustion with lower excess air All of these Provides higher thermal efficiency & flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to None of these Increase the output of the coke Facilitate easy discharging of coke as it swells during carbonisation Facilitate uniform heating of the oven None of these Increase the output of the coke Facilitate easy discharging of coke as it swells during carbonisation Facilitate uniform heating of the oven ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas burns with an yellowish flame, because of the presence of CH₄ CO₂ NH₃ H₂ CH₄ CO₂ NH₃ H₂ ANSWER DOWNLOAD EXAMIANS APP
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