Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always None of these Equal to unity Greater than unity Less than unity None of these Equal to unity Greater than unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines may be classified according to Direction of steam flow Mode of steam action Number of stages All of these Direction of steam flow Mode of steam action Number of stages All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Alkaline pyrogallate is used in Orsat's apparatus for absorption of N₂ CO₂ O₂ CO N₂ CO₂ O₂ CO ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? Some moisture in coal helps in better burning which is not possible with completely dry coal Inherent moisture and surface moisture are different things In some coals moisture may be present up to 40% It increases thermal efficiency Some moisture in coal helps in better burning which is not possible with completely dry coal Inherent moisture and surface moisture are different things In some coals moisture may be present up to 40% It increases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be 640/3 m/s 640 m/s 320/3 m/s 160/3 m/s 640/3 m/s 640 m/s 320/3 m/s 160/3 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure All of these To prepare heat balance sheet for the boiler To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure All of these To prepare heat balance sheet for the boiler ANSWER DOWNLOAD EXAMIANS APP
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