Fuels and Combustion Preheating of combustion air is done to Complete the combustion of fuel Increase the adiabatic flame temperature Increase the calorific value of the fuel Reduce its requirement for effecting the complete combustion Complete the combustion of fuel Increase the adiabatic flame temperature Increase the calorific value of the fuel Reduce its requirement for effecting the complete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Is a measure of its caking tendency Is a measure of its size stability, when stored & exposed to weather Is related to its calorific value Gives an idea of the fusion temperature of ash Is a measure of its caking tendency Is a measure of its size stability, when stored & exposed to weather Is related to its calorific value Gives an idea of the fusion temperature of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Oxygen content Calorific value Hydrogen content Caking power Oxygen content Calorific value Hydrogen content Caking power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its All of these Flue gas has lower dew point thereby facilitating more waste heat recovery Sulphur content is lower Emissivity factor is higher All of these Flue gas has lower dew point thereby facilitating more waste heat recovery Sulphur content is lower Emissivity factor is higher ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires Fine grinding All of these High excess air Low preheat of air Fine grinding All of these High excess air Low preheat of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always > 1 Unpredicatable 1 > 1 Unpredicatable 1 ANSWER DOWNLOAD EXAMIANS APP
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