Fuels and Combustion Coalification means the Direct hydrogenation of coal Process of conversion of lignite into anthracite Underground gasification of coal Complete combustion of coal Direct hydrogenation of coal Process of conversion of lignite into anthracite Underground gasification of coal Complete combustion of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always > 1 Unpredicatable 1 > 1 Unpredicatable 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel with high heat release rate will None of these Have high calorific value Have high adiabatic flame temperature Require smaller combustion chamber None of these Have high calorific value Have high adiabatic flame temperature Require smaller combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gasification reaction represented by, C + H₂O = CO + H₂, is Endothermic Exothermic Autocatalytic Catalytic Endothermic Exothermic Autocatalytic Catalytic ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Because, it alone produces unreactive coke Both A & B Neither A nor B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke Both A & B Neither A nor B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its Sulphur content is lower Flue gas has lower dew point thereby facilitating more waste heat recovery Emissivity factor is higher All of these Sulphur content is lower Flue gas has lower dew point thereby facilitating more waste heat recovery Emissivity factor is higher All of these ANSWER DOWNLOAD EXAMIANS APP
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