Fuels and Combustion Preheating of a gaseous fuel results in increased Quantity of flue gas Ignition temperature Flame length Flame temperature Quantity of flue gas Ignition temperature Flame length Flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Does not vary with increase in surface area Decreases with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Is more for low volatile coal compared to high volatile coal Does not vary with increase in surface area Decreases with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Is more for low volatile coal compared to high volatile coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Higher calorific value Lower ignition temperature Narrower limit of inflammability Lower theoretical flame temperature Higher calorific value Lower ignition temperature Narrower limit of inflammability Lower theoretical flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion KOH solution used in orsat apparatus absorbs SO₂ CO₂ Neither A nor B Both A & B SO₂ CO₂ Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Reactivity Abradability Porosity Agglutinating (binding) properties Reactivity Abradability Porosity Agglutinating (binding) properties ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fixed carbon in coal is defined as The total quantity of carbon present in the coal Hundred minus the percentage of volatile matter, ash and moisture The one which is present in the residue after combustion That present in volatile matters The total quantity of carbon present in the coal Hundred minus the percentage of volatile matter, ash and moisture The one which is present in the residue after combustion That present in volatile matters ANSWER DOWNLOAD EXAMIANS APP
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