Fuels and Combustion Preheating of a gaseous fuel results in increased Ignition temperature Flame temperature Flame length Quantity of flue gas Ignition temperature Flame temperature Flame length Quantity of flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have None of these Low fusion point of ash High sulphur High ash content None of these Low fusion point of ash High sulphur High ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Develops a low temperature flame Can be done with less excess air Provides a lower rate of heat release Develops a non-luminous flame Develops a low temperature flame Can be done with less excess air Provides a lower rate of heat release Develops a non-luminous flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 4000 15000 1000 8000 4000 15000 1000 8000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of 'gobar' (cow dung). Dehydration Oxidation Hydrolysis Fermentation Dehydration Oxidation Hydrolysis Fermentation ANSWER DOWNLOAD EXAMIANS APP
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