Fuels and Combustion Preheating of combustion air is done to Increase the adiabatic flame temperature Reduce its requirement for effecting the complete combustion Increase the calorific value of the fuel Complete the combustion of fuel Increase the adiabatic flame temperature Reduce its requirement for effecting the complete combustion Increase the calorific value of the fuel Complete the combustion of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Octane number of 2, 2, 4 - trimethyl pen-tane is 100 More than 100 In between 0 and 100 100 More than 100 In between 0 and 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas constitutes mainly of H₂ & CH₄ CH₄ & CO H₂ & CO H₂ & CO₂ H₂ & CH₄ CH₄ & CO H₂ & CO H₂ & CO₂ 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 Free carbon content in tar Yield of ammonia present in coke oven gas Yield percentage of coke Difference in gross & net calorific value of the coke oven gas Free carbon content in tar Yield of ammonia present in coke oven gas Yield percentage of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 20 11 2 38 20 11 2 38 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) ANSWER DOWNLOAD EXAMIANS APP
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