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) All of these Washing fine coal dust (< 0.5 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash Washing lump coal (> 80 mm size) All of these Washing fine coal dust (< 0.5 mm size) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? Gobar gas Carburetted water gas LPG Natural gas Gobar gas Carburetted water gas LPG Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is No possibility of obtaining complete combustion at high temperature Always loss of heat from the flame Neither A nor B Both A & B No possibility of obtaining complete combustion at high temperature Always loss of heat from the flame Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Moisture loss is determined by the Humidity of combustion air 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 6 28 36 18 6 28 36 18 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The difference between total carbon and fixed carbon of coal will be minimum in case of Anthracite Bituminous coal Lignite High temperature coke (V.M < 0.5%) Anthracite Bituminous coal Lignite High temperature coke (V.M < 0.5%) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS