Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Electrical resistivity Porosity None of these Density Electrical resistivity Porosity None of these Density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Height of the coal heap should be < 3 metres Both A and B Maximum 200 tons should be stored in a heap Neither A nor B Height of the coal heap should be < 3 metres Both A and B Maximum 200 tons should be stored in a heap Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by Cuprous chloride Alkaline pyrogallol solution None of these Potassium hydroxide Cuprous chloride Alkaline pyrogallol solution None of these Potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Decrease Not change Increase or decrease depending on the fuel type Increase Decrease Not change Increase or decrease depending on the fuel type Increase ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel consumption in coke making can be reduced by All of these Preheating, blending and de-ashing the coal Dry quenching of coke Stamped charging of coal All of these Preheating, blending and de-ashing the coal Dry quenching of coke Stamped charging of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Calorific value Caking index Ignition temperature Ash fusion temperature Calorific value Caking index Ignition temperature Ash fusion temperature ANSWER DOWNLOAD EXAMIANS APP
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