Fuels and Combustion Low temperature oxidation of stored coal results in the Decrease in its carbon & hydrogen content Decrease in its caking power & calorific value All of these Increase in its oxygen content Decrease in its carbon & hydrogen content Decrease in its caking power & calorific value All of these Increase in its oxygen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draft created by the chimney depends upon Neither A nor B Its height Temperature of the flue gas Both A & B Neither A nor B Its height Temperature of the flue gas Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb Both O₂ and CO All of these Both O₂ and CO₂ Only O₂ Both O₂ and CO All of these Both O₂ and CO₂ Only O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal does not reduce its S & P content None of these Heating value Fusion point of ash S & P content None of these Heating value Fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sooty flame can be made non-luminous by Shutting air supply Admitting more gas Admitting more air Shutting gas supply Shutting air supply Admitting more gas Admitting more air Shutting gas supply ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas comprises mainly of CO₂ & H₂ CO₂ & N₂ CO & H₂ CO & N₂ CO₂ & H₂ CO₂ & N₂ CO & H₂ CO & N₂ ANSWER DOWNLOAD EXAMIANS APP