Fuels and Combustion Undercharging of coal in the by-product coke ovens results in No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in its throughput No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in its throughput ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Bag filter Multicyclones Hydrocyclones Wet scrubber Bag filter Multicyclones Hydrocyclones Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Increase May increase or decrease ; depends on the quantity of products of combustion Decrease Remain unchanged Increase May increase or decrease ; depends on the quantity of products of combustion Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of tar is about __________ Kcal/kg. 5000 8800 16000 12000 5000 8800 16000 12000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. 55 25 75 5 55 25 75 5 ANSWER DOWNLOAD EXAMIANS APP