Fuels and Combustion Advantages of fluidised bed combustion are Lower furnace operating temperature High heat transfer rate Reduced NOx formation in flue gas All of these Lower furnace operating temperature High heat transfer rate Reduced NOx formation in flue gas All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Remains unaltered May increase or decrease (depends on the method of storage) Decreases Increases Remains unaltered May increase or decrease (depends on the method of storage) Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of wood gas is about __________ kcal/Nm³. 3300 1500 8500 5400 3300 1500 8500 5400 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C. 85 145 70 105 85 145 70 105 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of blast furnace gas is about __________ Nm³ /ton of pig iron. 5000 300 10000 2000 5000 300 10000 2000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas comprises mainly of CO & H₂ CO₂ & H₂ CO & N₂ CO₂ & N₂ CO & H₂ CO₂ & H₂ CO & N₂ CO₂ & N₂ ANSWER DOWNLOAD EXAMIANS APP