Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation Reduces the coking time Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Increases the loss of fine coal dust from the ovens when charging None of these Reduces the coking time Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Increases the loss of fine coal dust from the ovens when charging None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier. Entrained Fluidised Fixed Moving Entrained Fluidised Fixed Moving ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard pitch is used for making Insecticides Perfumes Plastics Pulverised fuel Insecticides Perfumes Plastics Pulverised fuel 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 42.9 27.6 47.3 23 42.9 27.6 47.3 23 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of nitrogen in combustion air does not reduce the Amount of heat liberated Flue gas temperature Flame temperature Any of the above Amount of heat liberated Flue gas temperature Flame temperature Any of the above ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of methane in coke oven gas may be around 15 25 50 5 15 25 50 5 ANSWER DOWNLOAD EXAMIANS APP
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