Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 20 10 12.5 0 20 10 12.5 0 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. Difference in gross & net calorific value of the coke oven gas Yield percentage of coke Free carbon content in tar Yield of ammonia present in coke oven gas Difference in gross & net calorific value of the coke oven gas Yield percentage of coke Free carbon content in tar Yield of ammonia present in coke oven gas 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 Bomb calorimeter is used for the determination of calorific value of the __________ fuels. Solid Gaseous Both B and C Liquid Solid Gaseous Both B and C Liquid ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Does not vary with increase in surface area Is more for low volatile coal compared to high volatile coal Decreases with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Does not vary with increase in surface area Is more for low volatile coal compared to high volatile coal Decreases with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Increases Decreases Either A or B, depends on other factors Remains same Increases Decreases Either A or B, depends on other factors Remains same ANSWER DOWNLOAD EXAMIANS APP
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