Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to Increase the combustion rate Minimise the chances of clinker formation Convert CO to CO₂ Increase the gas production rate Increase the combustion rate Minimise the chances of clinker formation Convert CO to CO₂ Increase the gas production rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Heat losses Condensation of water vapour from the fuel gas None of these Long flame Heat losses Condensation of water vapour from the fuel gas None of these Long flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Should be brittle Should have low fusion point of its ash Should have high porosity Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should be brittle Should have low fusion point of its ash Should have high porosity Must contain moderate quantities of ash, moisture, sulphur and volatile matters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mott and Wheeler test is conducted on coke to find its Reactivity with O₂ Volatile matter content Phosphorus content Abradability Reactivity with O₂ Volatile matter content Phosphorus content Abradability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have None of these Low fusion point of ash High ash content High sulphur None of these Low fusion point of ash High ash content High sulphur ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with More than theoretically required amount of air Theoretically required amount of air Less than theoretically required amount of air Theoretically required amount of oxygen More than theoretically required amount of air Theoretically required amount of air Less than theoretically required amount of air Theoretically required amount of oxygen ANSWER DOWNLOAD EXAMIANS APP