Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Coke oven gas Natural gas Sewage gas Blast furnace gas Coke oven gas Natural gas Sewage gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its All of these Emissivity factor is higher Flue gas has lower dew point thereby facilitating more waste heat recovery Sulphur content is lower All of these Emissivity factor is higher Flue gas has lower dew point thereby facilitating more waste heat recovery Sulphur content is lower ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Gasification Oxidation Coalification Carbonisation Gasification Oxidation Coalification Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. O₂ content CO₂ content Dew point CO content O₂ content CO₂ content Dew point CO content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Abradability Porosity Agglutinating (binding) properties Reactivity Abradability Porosity Agglutinating (binding) properties Reactivity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of preheated air for combustion of fuel in the furnace, increases the Flame temperature Calorific value of the fuel Scale losses of the furnace stock None of these Flame temperature Calorific value of the fuel Scale losses of the furnace stock None of these ANSWER DOWNLOAD EXAMIANS APP
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