Fuels and Combustion Atomising steam to fuel oil ratio in a burner should be around 0.5 2.5 1.5 3.5 0.5 2.5 1.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation of coal compared to low temperature carbonisation Aromatic content of tar is low Yield of ammonia is less H₂ content in the coke oven gas is more Calorific value of the coke oven gas is lower Aromatic content of tar is low Yield of ammonia is less H₂ content in the coke oven gas is more Calorific value of the coke oven gas is lower ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Most of the coking coals are None of these Lignite Bituminous Anthracite None of these Lignite Bituminous Anthracite 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. 95-100 3-5 60-65 25-30 95-100 3-5 60-65 25-30 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Is accelerated by storage in large heaps with small surface to volume ratio Decreases with increase in surface area Does not vary with increase in surface area Is more for low volatile coal compared to high volatile coal Is accelerated by storage in large heaps with small surface to volume ratio Decreases with increase in surface area Does not vary with increase in surface area Is more for low volatile coal compared to high volatile coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 2.4 0.87 11.4 1.75 2.4 0.87 11.4 1.75 ANSWER DOWNLOAD EXAMIANS APP
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