Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Stage efficiency None of these Internal efficiency Rankine efficiency Stage efficiency None of these Internal efficiency Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Blading efficiency Nozzle efficiency Mechanical efficiency Gross or stage efficiency Blading efficiency Nozzle efficiency Mechanical efficiency Gross or stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of superheated tubes in a locomotive boiler is 130 mm 13 mm 230 mm 31 mm 130 mm 13 mm 230 mm 31 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the nozzle operates with the maximum mass flow, the nozzle is said to be Over-damping None of these Under-damping Choked Over-damping None of these Under-damping Choked 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 Steam boiler Steam preheater Steam condenser Economiser Steam boiler Steam preheater Steam condenser Economiser ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In reaction turbines, the axial thrust is due to Change in axial velocity Pressure drop across the rotor Both (A) and (B) None of these Change in axial velocity Pressure drop across the rotor Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
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