Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used For small power purposes and high speeds For small power purposes and low speeds Where low speeds are required For large power purposes For small power purposes and high speeds For small power purposes and low speeds Where low speeds are required For large power purposes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the Blades are equiangular Blade solidity is 0.65 Blade velocity coefficient is unity Blades are equiangular and frictionless Blades are equiangular Blade solidity is 0.65 Blade velocity coefficient is unity Blades are equiangular and frictionless ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual power generated in the engine cylinder is called Frictional power None of these Indicated power Brake power Frictional power None of these Indicated power Brake power ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of 30 atmospheres 10 atmospheres 20 atmospheres 40 atmospheres 30 atmospheres 10 atmospheres 20 atmospheres 40 atmospheres 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 10 to 15% 15 to 25% 25 to 40% 40 to 60% 10 to 15% 15 to 25% 25 to 40% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cochran boiler is a Vertical fire tube boiler Horizontal water tube boiler Vertical water tube boiler Horizontal fire tube boiler Vertical fire tube boiler Horizontal water tube boiler Vertical water tube boiler Horizontal fire tube boiler ANSWER DOWNLOAD EXAMIANS APP
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