Fuels and Combustion A good quality coal should have High sulphur Low fusion point of ash None of these High ash content High sulphur Low fusion point of ash None of these High ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fossil fuels mean Those fuels which are found in the crust of earth Liquid fuels Premature fuels with low calorific value Solid fuels Those fuels which are found in the crust of earth Liquid fuels Premature fuels with low calorific value Solid fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the Enhanced sensible heat loss in the flue gas Intermittant and uncontrolled combustion of the fuel Excessive power requirement of air blower High exit flue gas temperature from the furnace Enhanced sensible heat loss in the flue gas Intermittant and uncontrolled combustion of the fuel Excessive power requirement of air blower High exit flue gas temperature from the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fixed carbon in coal is defined as The total quantity of carbon present in the coal That present in volatile matters Hundred minus the percentage of volatile matter, ash and moisture The one which is present in the residue after combustion The total quantity of carbon present in the coal That present in volatile matters Hundred minus the percentage of volatile matter, ash and moisture The one which is present in the residue after combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High volatile matter Low ash High ash High calorific value High volatile matter Low ash High ash High calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Decreases its hardness and abrasion resistance Increases its consumption in the furnace Reduces its consumption in the furnace Does not affect its consumption in the furnace Decreases its hardness and abrasion resistance Increases its consumption in the furnace Reduces its consumption in the furnace Does not affect its consumption in the furnace ANSWER DOWNLOAD EXAMIANS APP
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