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 Density None of these Electrical resistivity Porosity Density None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain CO₂ CO Both B & C H₂O CO₂ CO Both B & C H₂O ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Volatile matter Moisture Sulphur (4-6%) Ash Volatile matter Moisture Sulphur (4-6%) Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of cown dung. Hydrogenation None of these Oxidation Fermentation Hydrogenation None of these Oxidation Fermentation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of preheated air for combustion of fuel in the furnace, increases the None of these Calorific value of the fuel Scale losses of the furnace stock Flame temperature None of these Calorific value of the fuel Scale losses of the furnace stock Flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the All of these Low fusion point of ash (< 1100° C) Use of preheated primary air Use of thick fire bed All of these Low fusion point of ash (< 1100° C) Use of preheated primary air Use of thick fire bed ANSWER DOWNLOAD EXAMIANS APP
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