Fuels and Combustion Low temperature oxidation of coal is accelerated by the All of these Storage in compressed piles Storage in large heaps Absence of porous or friable particles All of these Storage in compressed piles Storage in large heaps Absence of porous or friable particles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of stored coal results in the Decrease in its caking power & calorific value All of these Decrease in its carbon & hydrogen content Increase in its oxygen content Decrease in its caking power & calorific value All of these Decrease in its carbon & hydrogen content Increase in its oxygen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Moisture Sulphur (4-6%) Volatile matter Ash Moisture Sulphur (4-6%) Volatile matter Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for 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 Washing lump coal (> 80 mm size) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Adiabatic flame temperature of a fuel is dependent on the initial temperature of Neither A nor B Air Both A & B Fuel Neither A nor B Air Both A & B Fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Moisture loss is determined by the Both A and B The water formed by combustion reaction Moisture content of fuel Humidity of combustion air Both A and B The water formed by combustion reaction Moisture content of fuel Humidity of combustion air ANSWER DOWNLOAD EXAMIANS APP