Steam Boilers, Engines, Nozzles and Turbines During polytropic process Work is done All of these Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls Work is done All of these Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Water level indicator Pressure gauge Safety valve Fusible plug Water level indicator Pressure gauge Safety valve Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diagram factor is the ratio of the Area of the actual indicator diagram to the area of theoretical indicator diagram Actual mean effective pressure to the theoretical mean effective pressure Actual workdone per stroke to the theoretical workdone per stroke Any one of the above Area of the actual indicator diagram to the area of theoretical indicator diagram Actual mean effective pressure to the theoretical mean effective pressure Actual workdone per stroke to the theoretical workdone per stroke Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially dry saturated steam is 0.546 0.582 0.601 0.577 0.546 0.582 0.601 0.577 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Clearance volume to the swept volume Swept volume to the volume at cut-off Swept volume to the clearance volume Volume at cut-off to the swept volume Clearance volume to the swept volume Swept volume to the volume at cut-off Swept volume to the clearance volume Volume at cut-off to the swept volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve in a locomotive starts leaking. The leaking medium will be Wet steam Super heated steam Dry steam Water Wet steam Super heated steam Dry steam Water ANSWER DOWNLOAD EXAMIANS APP