Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 11.4 1.75 2.4 0.87 11.4 1.75 2.4 0.87 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Fuel consumption in coking Time of carbonisation All of these Yield of gas and tar Fuel consumption in coking Time of carbonisation All of these Yield of gas and tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Calorific value increases Swelling number increases Swelling number decreases Bulk density decreases Calorific value increases Swelling number increases Swelling number decreases Bulk density decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Tends to shorten the flame Increases the flame temperature Lengthens the flame Does not affect the flame length Tends to shorten the flame Increases the flame temperature Lengthens the flame Does not affect the flame length ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which will have the least volatile matter and hence will be the most difficult to ignite? Semi-bituminous coal Aanthracite Coke Bituminous coal Semi-bituminous coal Aanthracite Coke Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking coals are invariably Semi-anthracites Lignites Anthracites Bituminous coals Semi-anthracites Lignites Anthracites Bituminous coals ANSWER DOWNLOAD EXAMIANS APP
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