Fuels and Combustion Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis. 500 950 750 1100 500 950 750 1100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. 40 96 4 20 40 96 4 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the Electrode manufacture Decolourisation of sugar Solvent recovery from air and gases Absorption of gases and vapor Electrode manufacture Decolourisation of sugar Solvent recovery from air and gases Absorption of gases and vapor ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of wood gas is about __________ kcal/Nm³. 8500 3300 5400 1500 8500 3300 5400 1500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal Is recovered as ammonia during its carbonisation All of these Is present upto 1-2% Comes from protein in parent vegetable matter Is recovered as ammonia during its carbonisation All of these Is present upto 1-2% Comes from protein in parent vegetable matter 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 47.3 23 27.6 42.9 47.3 23 27.6 42.9 ANSWER DOWNLOAD EXAMIANS APP
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