Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? Low reactivity of carbonised residue containing high proportions of iron & sulphur All of these Thick fire bed and preheated primary air Low forced draught and fuel bed temperature Low reactivity of carbonised residue containing high proportions of iron & sulphur All of these Thick fire bed and preheated primary air Low forced draught and fuel bed temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 0.5 11.5 12 23 0.5 11.5 12 23 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross calorific value will be equal to the net calorific value for C₂H₂ C₂H₆ H₂ CO C₂H₂ C₂H₆ H₂ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces No by-products Soft coke Metallurgical coke Very low calorific value coke oven gas No by-products Soft coke Metallurgical coke Very low calorific value coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Supplying correct amount of combustion air Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Supplying correct amount of combustion air Reducing sulphur content in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of preheated air for combustion of fuel in the furnace, increases the None of these Scale losses of the furnace stock Flame temperature Calorific value of the fuel None of these Scale losses of the furnace stock Flame temperature Calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
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