Fuels and Combustion Supply of excess air for complete combustion of fuel is necessitated to facilitate Attainment of chemical equilibrium Attainment of high temperature None of these Its thorough mixing with air Attainment of chemical equilibrium Attainment of high temperature None of these Its thorough mixing with air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation of coal compared to low temperature carbonisation Calorific value of the coke oven gas is lower Yield of ammonia is less Aromatic content of tar is low H₂ content in the coke oven gas is more Calorific value of the coke oven gas is lower Yield of ammonia is less Aromatic content of tar is low H₂ content in the coke oven gas is more 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. 60-65 25-30 3-5 95-100 60-65 25-30 3-5 95-100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 2.4 11.4 1.75 0.87 2.4 11.4 1.75 0.87 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if It contains large amount of volatile matter All of these It is stored in tall heaps Smaller fines are stored in large quantity It contains large amount of volatile matter All of these It is stored in tall heaps Smaller fines are stored in large quantity ANSWER DOWNLOAD EXAMIANS APP
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