Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation Reduces the coking time None of these Increases the loss of fine coal dust from the ovens when charging Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Reduces the coking time None of these Increases the loss of fine coal dust from the ovens when charging Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in beehive coke oven is about One week Two weeks 12 hours 2-3 days One week Two weeks 12 hours 2-3 days 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. 55 25 75 5 55 25 75 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gasification reaction represented by, C + H₂O = CO + H₂, is Catalytic Endothermic Autocatalytic Exothermic Catalytic Endothermic Autocatalytic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Traces of tar fog present in the coke oven gas is removed by Wet packed scrubber Washing with monoethanolamine Electrostatic precipitator Cyclone separator Wet packed scrubber Washing with monoethanolamine Electrostatic precipitator Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking coal is desirable for Burning on travelling grate Coke making Burning on firebars All of these Burning on travelling grate Coke making Burning on firebars All of these ANSWER DOWNLOAD EXAMIANS APP
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