Steam Boilers, Engines, Nozzles and Turbines The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C. 0°C 100°C 40°C 60°C 0°C 100°C 40°C 60°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = V cos α Vb = 0.5 V² cosα Vb = V² cos α Vb = 0.5 V cosα Vb = V cos α Vb = 0.5 V² cosα Vb = V² cos α Vb = 0.5 V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are those in which Water passes through the tubes and flue gases around it Tubes are laid vertically Flue gases pass through tubes and water around it Forced circulation takes place Water passes through the tubes and flue gases around it Tubes are laid vertically Flue gases pass through tubes and water around it Forced circulation takes place ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A stage, in reaction turbine, is represented by Number of entries of steam Number of exits of steam Number of casing Each row of blades Number of entries of steam Number of exits of steam Number of casing Each row of blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The value of the reheat factor varies from 1.08 to 1.10 1.02 to 1.06 1.6 to 2 1.2 to 1.6 1.08 to 1.10 1.02 to 1.06 1.6 to 2 1.2 to 1.6 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is not used in Cochran boiler Locomotive boiler Lancashire boiler Cornish boiler Cochran boiler Locomotive boiler Lancashire boiler Cornish boiler ANSWER DOWNLOAD EXAMIANS APP
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