Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the Enhanced sensible heat loss in the flue gas High exit flue gas temperature from the furnace Excessive power requirement of air blower Intermittant and uncontrolled combustion of the fuel Enhanced sensible heat loss in the flue gas High exit flue gas temperature from the furnace Excessive power requirement of air blower Intermittant and uncontrolled combustion of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Both A & B Shortens the flame Causes heat loss of fuel by its partial combustion Lengthens the flame Both A & B Shortens the flame Causes heat loss of fuel by its partial combustion Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke oven gas is around __________ Kcal/Nm³. 4200 900 2000 7500 4200 900 2000 7500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the most matured coal? Lignite Bituminous Semi-anthracite Anthracite Lignite Bituminous Semi-anthracite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Compound coke ovens are those which can be heated by Lean gas (e.g., B.F. gas) Both B and C Both steam and electrical power Rich gas (e.g., coke oven gas) Lean gas (e.g., B.F. gas) Both B and C Both steam and electrical power Rich gas (e.g., coke oven gas) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high __________ content, would ignite most easily. Fixed carbon Volatile matter Ash Oxygen Fixed carbon Volatile matter Ash Oxygen ANSWER DOWNLOAD EXAMIANS APP