Steam Boilers, Engines, Nozzles and Turbines If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to pa - ps pa + ps None of these ps - pa pa - ps pa + ps None of these ps - pa ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For a Parson's reaction turbine, if α₁ and α₂ are fixed blade angles at inlet and exit respectively and β₁ and β₂ are the moving blade angles at entrance and exit respectively, then α₁ < β₁ and α₂ > β₂ α₁ = β₂ and β₁ = α₂ α₁ = α₂ and β₁ = β₂ α₁ = β₁ and α₂= β₂ α₁ < β₁ and α₂ > β₂ α₁ = β₂ and β₁ = α₂ α₁ = α₂ and β₁ = β₂ α₁ = β₁ and α₂= β₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation of water is the evaporation for a feed water supply at 100°C And its corresponding conversion into dry steam at desired boiler pressure Conversion into steam at the same pressure at which feed water is supplied Conversion into steam at atmospheric condition And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² And its corresponding conversion into dry steam at desired boiler pressure Conversion into steam at the same pressure at which feed water is supplied Conversion into steam at atmospheric condition And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has More heating surface Equal heating surface Heating surface depends on other parameters Less heating surface More heating surface Equal heating surface Heating surface depends on other parameters Less heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines may be classified according to Number of stages Direction of steam flow All of these Mode of steam action Number of stages Direction of steam flow All of these Mode of steam action ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Fouling of heat transfer surfaces Higher effectiveness of boiler Raising of steam temperature High calorific value coal being burnt Fouling of heat transfer surfaces Higher effectiveness of boiler Raising of steam temperature High calorific value coal being burnt ANSWER DOWNLOAD EXAMIANS APP
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