Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Mechanical efficiency Nozzle efficiency Gross or stage efficiency Blading efficiency Mechanical efficiency Nozzle efficiency Gross or stage efficiency Blading efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam leaves the nozzle at a Low pressure and a low velocity High pressure and a low velocity High pressure and a high velocity Low pressure and a high velocity Low pressure and a low velocity High pressure and a low velocity High pressure and a high velocity Low pressure and a high velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Cochran boiler are Vertical Inclined Horizontal None of these Vertical Inclined Horizontal None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 40 to 60% 25 to 40% 10 to 15% 15 to 25% 40 to 60% 25 to 40% 10 to 15% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler is of the order of 24 m 79 m 57.5 m 35 m 24 m 79 m 57.5 m 35 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is Maximum Zero Depends on temperature also Minimum Maximum Zero Depends on temperature also Minimum ANSWER DOWNLOAD EXAMIANS APP
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