Fuels and Combustion Too much of excess air in combustion results in high Percentage of oxygen in flue gases All of these Fuel consumption for the same heat load Stack gas temperature Percentage of oxygen in flue gases All of these Fuel consumption for the same heat load Stack gas temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt 'using theoretical amount of air in Oxygen Air Either A or B Either A or C without gain or loss of heat Oxygen Air Either A or B Either A or C without gain or loss of heat ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes None of these Decrease in its calorific value Brittleness of steel made by using it Increase in its strength None of these Decrease in its calorific value Brittleness of steel made by using it Increase in its strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? H₂ CO C₂H₆ CH₄ H₂ CO C₂H₆ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High ash content High sulphur Low fusion point of ash None of these High ash content High sulphur Low fusion point of ash None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 1400-1500 400-500 900-1000 1700-1800 1400-1500 400-500 900-1000 1700-1800 ANSWER DOWNLOAD EXAMIANS APP