Steam Boilers, Engines, Nozzles and Turbines One kilowatt-hour energy is equivalent to 3600 kJ 360 kJ 1000 J 3600 kW/sec 3600 kJ 360 kJ 1000 J 3600 kW/sec ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially dry saturated steam is 0.577 0.546 0.601 0.582 0.577 0.546 0.601 0.582 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam __________ while flowing through a nozzle. Increases Remains constant None of these Decreases Increases Remains constant None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process All of these Heat transfer takes place across cylinder walls Work is done Steam may be wet, dry or superheated after expansion All of these Heat transfer takes place across cylinder walls Work is done Steam may be wet, dry or superheated after expansion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines While steam expands in turbines, theoretically the entropy Behaves unpredictably Remains constant Increases Decreases Behaves unpredictably Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The state of vapor under saturation condition is described by Temperature alone Pressure alone Pressure and dryness fraction Pressure and temperature Temperature alone Pressure alone Pressure and dryness fraction Pressure and temperature ANSWER DOWNLOAD EXAMIANS APP