Fuels and Combustion In low temperature carbonisation of coal, the Yield of coke oven gas is 290 Nm³ /ton dry coal Yield of tar is about 3% of dry coal Volatile matter in coke is zero Temperature maintained is 700°C Yield of coke oven gas is 290 Nm³ /ton dry coal Yield of tar is about 3% of dry coal Volatile matter in coke is zero Temperature maintained is 700°C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 47.3 23 27.6 42.9 47.3 23 27.6 42.9 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. High ash Pulverised Non-caking Caking High ash Pulverised Non-caking Caking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of phosphorous in metallurgical coal Reduces its calorific value Increases its caking power Is not undersirable Badly affects the quality of steel Reduces its calorific value Increases its caking power Is not undersirable Badly affects the quality of steel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of furnace oil is about __________ Kcal/kg. 20000 10000 15000 5000 20000 10000 15000 5000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Increase or decrease depending on the fuel type Increase Not change Decrease Increase or decrease depending on the fuel type Increase Not change Decrease ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS