Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to Avoid radiation heat loss Make it look attractive Minimise its corrosion None of these Avoid radiation heat loss Make it look attractive Minimise its corrosion None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. Yield percentage of coke Difference in gross & net calorific value of the coke oven gas Yield of ammonia present in coke oven gas Free carbon content in tar Yield percentage of coke Difference in gross & net calorific value of the coke oven gas Yield of ammonia present in coke oven gas Free carbon content in tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. Unsaturated hydrocarbons Methane Hydrogen All of these Unsaturated hydrocarbons Methane Hydrogen All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. CO₂ content Dew point CO content O₂ content CO₂ content Dew point CO content O₂ content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% M40 > 78% and M10 < 10% M40 > 4% and M10 < 80% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% M40 > 78% and M10 < 10% M40 > 4% and M10 < 80% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following, which is the most important parameter for the blast furnace grade coke? Ash content Volatile matter content CSR & CRI Moisture content Ash content Volatile matter content CSR & CRI Moisture content ANSWER DOWNLOAD EXAMIANS APP
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