Fuels and Combustion Low temperature oxidation of stored coal results in the 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 Decrease in its carbon & hydrogen content Decrease in its caking power & calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Combustion of fire slacks on the grates Its pulverisation (as it requires more power) None of these Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates Its pulverisation (as it requires more power) None of these Handling (e.g. when emptying wagons) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is Pitch Tar Pulverised coke Coke oven gas Pitch Tar Pulverised coke Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Ash Carbon Volatiles Moisture Ash Carbon Volatiles Moisture ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Orsat apparatus Can Gives flue gas analysis on dry basis Determines N₂ in flue gas indirectly All of these Can Gives flue gas analysis on dry basis Determines N₂ in flue gas indirectly All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cuprous chloride used in orsat apparatus can absorb Only CO Both CO and CO₂ Both CO and O₂ All of these Only CO Both CO and CO₂ Both CO and O₂ All of these ANSWER DOWNLOAD EXAMIANS APP