Steam Boilers, Engines, Nozzles and Turbines Feed water conditioning in thermal power plants in done to Reduce hardness and for removal of solids Increase heat transfer rate Increase efficiency of thermal power plant Increase steam parameters Reduce hardness and for removal of solids Increase heat transfer rate Increase efficiency of thermal power plant Increase steam parameters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Swept volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the swept volume Swept volume to the clearance volume Swept volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the swept volume Swept volume to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Stack gases should not be cooled to the dew point Heat transfer area should be optimum Handling and maintenance should be easier Approach temperature should be as low as possible Stack gases should not be cooled to the dew point Heat transfer area should be optimum Handling and maintenance should be easier Approach temperature should be as low as possible 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 low velocity High pressure and a low velocity Low pressure and a high velocity High pressure and a high velocity Low pressure and a low velocity High pressure and a low velocity Low pressure and a high velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell diameter of a Locomotive boiler is 2 m 1.5 m 2.5 m 1 m 2 m 1.5 m 2.5 m 1 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) ηS = ηN / ηB None of the listed here ηS = ηB × ηN ηS = ηB / ηN ηS = ηN / ηB None of the listed here ηS = ηB × ηN ηS = ηB / ηN ANSWER DOWNLOAD EXAMIANS APP
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