Steam Boilers, Engines, Nozzles and Turbines The expansion of steam, as it flows over the blades in reaction turbine, represents Throttling process Free expansion process Isentropic process Isothermal process Throttling process Free expansion process Isentropic process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as Economiser Steam boiler Steam condenser Steam preheater Economiser Steam boiler Steam condenser Steam preheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Uneconomical Desirable Essential Economical Uneconomical Desirable Essential Economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop Increases Is unpredictable Remains the same Decreases Increases Is unpredictable Remains the same Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K) 176.5H/T1 T1 /176.5H T1 /88.25H 88.25H/T1 176.5H/T1 T1 /176.5H T1 /88.25H 88.25H/T1 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to compare the capacity of boilers, the feed water temperature and working pressure are taken as 50°C and normal atmospheric pressure 50°C and 1.1 bar pressure 100°C and 1.1 bar pressure 100°C and normal atmospheric pressure 50°C and normal atmospheric pressure 50°C and 1.1 bar pressure 100°C and 1.1 bar pressure 100°C and normal atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
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