Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? It increases thermal efficiency Inherent moisture and surface moisture are different things In some coals moisture may be present up to 40% Some moisture in coal helps in better burning which is not possible with completely dry coal It increases thermal efficiency Inherent moisture and surface moisture are different things In some coals moisture may be present up to 40% Some moisture in coal helps in better burning which is not possible with completely dry coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about the function of furnace? To provide proper conditions for continuous complete combustion Mix fuel with air and ignite Maintain heat supply to prepare and ignite the incoming fuel Separate ash from coal To provide proper conditions for continuous complete combustion Mix fuel with air and ignite Maintain heat supply to prepare and ignite the incoming fuel Separate ash from coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam enters the nozzle at a High pressure and a high velocity Low pressure and a high velocity Low pressure and a low velocity High pressure and a low velocity High pressure and a high velocity Low pressure and a high velocity Low pressure and a low velocity High pressure and a low velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Cool the scanners Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Cool the scanners Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Bomb calorimeter is used to determine Lower calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant pressure Higher calorific value at constant volume Lower calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant pressure Higher calorific value at constant volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about pulverized fuel firing? It is the best technique for burning high ash content fuel having low fusion ash High burning rate is possible Fuel burns economically Heat release can be easily controlled It is the best technique for burning high ash content fuel having low fusion ash High burning rate is possible Fuel burns economically Heat release can be easily controlled ANSWER DOWNLOAD EXAMIANS APP