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 Gross or stage efficiency Blading efficiency Nozzle efficiency Mechanical efficiency Gross or stage efficiency Blading efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbine is a Simple reaction turbine Simple impulse turbine None of these Impulse-reaction turbine Simple reaction turbine Simple impulse turbine None of these Impulse-reaction turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation is the amount of water evaporated in a boiler from and at Saturation temperature at given pressure Room temperature 100°C 0°C Saturation temperature at given pressure Room temperature 100°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio (p₂/p₁) is given by (p₂/p₁) = [(n + 1)/2] n - (1/n) (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [2/(n - 1)] n/(n + 1) (p₂/p₁) = [(n - 1)/2] n + (1/n) (p₂/p₁) = [(n + 1)/2] n - (1/n) (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [2/(n - 1)] n/(n + 1) (p₂/p₁) = [(n - 1)/2] n + (1/n) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Throttle governing of steam engines is a method of controlling the engine output by varying All of these Pressure of intake steam Temperature of intake steam Volume of intake steam All of these Pressure of intake steam Temperature of intake steam Volume of intake steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine. Three times Four times Twice Equal to Three times Four times Twice Equal to ANSWER DOWNLOAD EXAMIANS APP
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