Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is Both A & B No possibility of obtaining complete combustion at high temperature Neither A nor B Always loss of heat from the flame Both A & B No possibility of obtaining complete combustion at high temperature Neither A nor B Always loss of heat from the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas constitutes mainly of H₂ & CH₄ CH₄ & CO H₂ & CO₂ H₂ & CO H₂ & CH₄ CH₄ & CO H₂ & CO₂ H₂ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Molasses Pitch Line Tar Molasses Pitch Line Tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 0.79 3.76 4.76 0.21 0.79 3.76 4.76 0.21 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Gives an idea of the fusion temperature of ash Is a measure of its caking tendency Is related to its calorific value Is a measure of its size stability, when stored & exposed to weather Gives an idea of the fusion temperature of ash Is a measure of its caking tendency Is related to its calorific value Is a measure of its size stability, when stored & exposed to weather ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 3-5 60-65 25-30 95-100 3-5 60-65 25-30 95-100 ANSWER DOWNLOAD EXAMIANS APP