Fuels and Combustion Percentage of hydrogen in coke oven gas may be around 10 45 25 60 10 45 25 60 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking coal is desirable for Coke making Burning on firebars All of these Burning on travelling grate Coke making Burning on firebars All of these Burning on travelling grate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to 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 Preheat the tertiary air used for complete combustion of CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High ash High calorific value High volatile matter Low ash High ash High calorific value High volatile matter Low ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 0 20 10 12.5 0 20 10 12.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If oxygen content in the flue gas rises too high, fuel is being wasted by None of these Incomplete combustion Moisture loss Dry gas/stack gas loss None of these Incomplete combustion Moisture loss Dry gas/stack gas loss ANSWER DOWNLOAD EXAMIANS APP
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