Fuels and Combustion The heat of combustion of a fuel Is equal to the heat of formation Is always positive Is always negative Can't be known without calculating it Is equal to the heat of formation Is always positive Is always negative Can't be known without calculating it ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of preheated air for combustion of fuel in the furnace, increases the Scale losses of the furnace stock None of these Calorific value of the fuel Flame temperature Scale losses of the furnace stock None of these Calorific value of the fuel Flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its Oxygen content Caking power None of these Calorific value Oxygen content Caking power None of these Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain CO Both B & C CO₂ H₂O CO Both B & C CO₂ H₂O ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Is more difficult to ignite and produces a shorter flame None of these Requires smaller combustion space and less secondary air Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame None of these Requires smaller combustion space and less secondary air Is less liable to spontaneous combustion on storage ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Junker's calorimeter is used to determine the calorific value of Pulverised coal Gaseous fuels Fuel oil None of these Pulverised coal Gaseous fuels Fuel oil None of these ANSWER DOWNLOAD EXAMIANS APP
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