Fuels and Combustion __________ present in coal is not determined in its ultimate analysis. Hydrogen Fixed carbon Total carbon Nitrogen Hydrogen Fixed carbon Total carbon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High volatile matter High ash Low ash High calorific value High volatile matter High ash Low ash High calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Reduces the coking time Increases the loss of fine coal dust from the ovens when charging None of these Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Reduces the coking time Increases the loss of fine coal dust from the ovens when charging None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to Make it look attractive None of these Minimise its corrosion Avoid radiation heat loss Make it look attractive None of these Minimise its corrosion Avoid radiation heat loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Compound coke ovens are those which can be heated by Both B and C Lean gas (e.g., B.F. gas) Rich gas (e.g., coke oven gas) Both steam and electrical power Both B and C Lean gas (e.g., B.F. gas) Rich gas (e.g., coke oven gas) Both steam and electrical power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between the net and gross calorific value is maximum in case of Blast furnace gas Fuel oil Bituminous coal Pitch Blast furnace gas Fuel oil Bituminous coal Pitch ANSWER DOWNLOAD EXAMIANS APP
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