Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Chances of clinker formation Risk of explosion Requirement of large volume combustion chamber Incomplete combustion of coal Chances of clinker formation Risk of explosion Requirement of large volume combustion chamber Incomplete combustion of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of purified Lurgi gas are H₂, CmHn & CO₂ N₂, H₂ & CO₂ CO, H₂ & CH₄ CO₂, O₂ & CO H₂, CmHn & CO₂ N₂, H₂ & CO₂ CO, H₂ & CH₄ CO₂, O₂ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Most of the coking coals are None of these Lignite Anthracite Bituminous None of these Lignite Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Junker's calorimeter is used to determine the calorific value of Gaseous fuels Pulverised coal None of these Fuel oil Gaseous fuels Pulverised coal None of these Fuel oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen required for theoretically complete combustion of 1 Nm³ methane is __________ Nm³. 2 4 6 1 2 4 6 1 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 23 27.6 42.9 47.3 23 27.6 42.9 47.3 ANSWER DOWNLOAD EXAMIANS APP