Fuels and Combustion Which of the following is coking? Fussain Vitrain Neither A nor B Both A & B Fussain Vitrain Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 100 to 150 350 to 450 700 to 850 550 to 650 100 to 150 350 to 450 700 to 850 550 to 650 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? Erosion of induced draft fan blades High power consumption in its transportation Ash disposal problem Excessive fly-ash discharge from the stack Erosion of induced draft fan blades High power consumption in its transportation Ash disposal problem Excessive fly-ash discharge from the stack ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? C₂H₆ CO CH₄ H₂ C₂H₆ CO CH₄ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Methane percentage in the coke oven gas increases Tar yield increases Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases Methane percentage in the coke oven gas increases Tar yield increases Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³. 10000 6500 4000 2500 10000 6500 4000 2500 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS