Fuels and Combustion Main constituents of purified Lurgi gas are CO₂, O₂ & CO H₂, CmHn & CO₂ N₂, H₂ & CO₂ CO, H₂ & CH₄ CO₂, O₂ & CO H₂, CmHn & CO₂ N₂, H₂ & CO₂ CO, H₂ & CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Stack gas temperature Fuel consumption for the same heat load All of these Percentage of oxygen in flue gases Stack gas temperature Fuel consumption for the same heat load All of these Percentage of oxygen in flue gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bulk density of pulverised coal may be about __________ kg/m³. 500 100 1500 1000 500 100 1500 1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Density None of these Electrical resistivity Porosity Density None of these Electrical resistivity Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used As moisture proof coating on fibres As a fuel in furnaces As moth balls (insecticides) For making electrodes As moisture proof coating on fibres As a fuel in furnaces As moth balls (insecticides) For making electrodes ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Both B and C Ash content Mineral matter content Caking index Both B and C Ash content Mineral matter content Caking index ANSWER DOWNLOAD EXAMIANS APP
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