Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Rankine efficiency Internal efficiency None of these Stage efficiency Rankine efficiency Internal efficiency None of these Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Locomotive boiler has 157 fire tubes and 24 superheated tubes 137 fire tubes and 44 superheated tubes 167 fire tubes and 14 superheated tubes 147 fire tubes and 34 superheated tubes 157 fire tubes and 24 superheated tubes 137 fire tubes and 44 superheated tubes 167 fire tubes and 14 superheated tubes 147 fire tubes and 34 superheated tubes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called Mechanical efficiency Blading efficiency Nozzle efficiency Stage efficiency Mechanical efficiency Blading efficiency Nozzle efficiency Stage efficiency 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 Is unpredictable Remains the same Decreases Increases Is unpredictable Remains the same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by Bucket calorimeter Separating calorimeter Combined separating and throttling calorimeter Throttling calorimeter Bucket calorimeter Separating calorimeter Combined separating and throttling calorimeter Throttling calorimeter ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously The steam is expanded in moving blades only The pressure and temperature of steam remains constant The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously The steam is expanded in moving blades only The pressure and temperature of steam remains constant ANSWER DOWNLOAD EXAMIANS APP