Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. % of O₂in Temperature of %of CO₂ in Colour of % of O₂in Temperature of %of CO₂ in Colour of ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Number of macrocomponents present in coal according to Stopes are Six Four Two Five Six Four Two Five ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for 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) Washing fine coal dust (< 0.5 mm size) All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is always negative Can't be known without calculating it Is always positive Is equal to the heat of formation Is always negative Can't be known without calculating it Is always positive Is equal to the heat of formation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Too much air for combustion Less air for combustion Pulverised coal in boilers Correct amount of air for combustion Too much air for combustion Less air for combustion Pulverised coal in boilers Correct amount of air for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Atomising steam to fuel oil ratio in a burner should be around 1.5 0.5 3.5 2.5 1.5 0.5 3.5 2.5 ANSWER DOWNLOAD EXAMIANS APP