Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher All of these Heat release rate (thus requiring smaller combustion chamber) Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Adiabatic flame temperature All of these Heat release rate (thus requiring smaller combustion chamber) Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Adiabatic flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. Yield percentage of coke Difference in gross & net calorific value of the coke oven gas Free carbon content in tar Yield of ammonia present in coke oven gas Yield percentage of coke Difference in gross & net calorific value of the coke oven gas Free carbon content in tar Yield of ammonia present in coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having None of these Higher carbon monoxide content Lower carbon dioxide content Higher methane content and thus higher calorific value None of these Higher carbon monoxide content Lower carbon dioxide content Higher methane content and thus higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not Produced by low temperature carbonisation of coal None of these Used in blast furnaces A domestic fuel Produced by low temperature carbonisation of coal None of these Used in blast furnaces A domestic fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Coalification Oxidation Carbonisation Gasification Coalification Oxidation Carbonisation Gasification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between gross and net calorific value will be minimum in case of Natural gas Blast furnace gas Water gas Coke oven gas Natural gas Blast furnace gas Water gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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