Fuels and Combustion Stack heat losses can be minimised by Controlling the excess air Using low c.v. fuels Oxygen enrichment of combustion air Maintaining proper draft in the furnace Controlling the excess air Using low c.v. fuels Oxygen enrichment of combustion air Maintaining proper draft in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame velocity? H₂ CO CH₄ C₂H₆ H₂ CO CH₄ C₂H₆ 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 42.9 27.6 23 47.3 42.9 27.6 23 47.3 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cuprous chloride used in orsat apparatus can absorb Both CO and CO₂ Both CO and O₂ Only CO All of these Both CO and CO₂ Both CO and O₂ Only CO All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used For making electrodes As moth balls (insecticides) As a fuel in furnaces As moisture proof coating on fibres For making electrodes As moth balls (insecticides) As a fuel in furnaces As moisture proof coating on fibres ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High ash content Low fusion point of ash None of these High sulphur High ash content Low fusion point of ash None of these High sulphur ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS