Fuels and Combustion Which of the following has the highest flame speed? CH₄ H₂ C₂H₆ CO CH₄ H₂ C₂H₆ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of producer gas is around __________ kcal/Nm³ 1300 9000 500 4500 1300 9000 500 4500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Dry the coal Transport the coal to the burner Ensure efficient burning of coal around the burner Reduce primary air requirement Dry the coal Transport the coal to the burner Ensure efficient burning of coal around the burner Reduce primary air requirement ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas comprises mainly of CO₂ & H₂ CO₂ & N₂ CO & N₂ CO & H₂ CO₂ & H₂ CO₂ & N₂ CO & N₂ CO & H₂ 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? Excessive fly-ash discharge from the stack Ash disposal problem High power consumption in its transportation Erosion of induced draft fan blades Excessive fly-ash discharge from the stack Ash disposal problem High power consumption in its transportation Erosion of induced draft fan blades ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to Convert CO to CO₂ Increase the gas production rate Minimise the chances of clinker formation Increase the combustion rate Convert CO to CO₂ Increase the gas production rate Minimise the chances of clinker formation Increase the combustion rate ANSWER DOWNLOAD EXAMIANS APP