Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Volume at cut-off to the swept volume Swept volume to the volume at cut-off Clearance volume to the swept volume Swept volume to the clearance volume Volume at cut-off to the swept volume Swept volume to the volume at cut-off Clearance volume to the swept volume Swept volume to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In water tube boilers The flames and hot gases pass through the tubes which are surrounded by water None of these Forced circulation takes place Water passes through the tubes which are surrounded by flames and hot gases The flames and hot gases pass through the tubes which are surrounded by water None of these Forced circulation takes place Water passes through the tubes which are surrounded by flames and hot gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small capacity boilers is to Inject chemical solution in feed pump Pump water, similar to boiler feed pump Create vacuum Add make up water in the system Inject chemical solution in feed pump Pump water, similar to boiler feed pump Create vacuum Add make up water in the system ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The mechanical draught _________ with the amount of smoke. Increases Decreases Does not effect None of these Increases Decreases Does not effect None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially superheated steam is __________ as compared to initially dry saturated steam. None of these Less More Same None of these Less More Same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Throttle governing of steam engines is a method of controlling the engine output by varying All of these Pressure of intake steam Volume of intake steam Temperature of intake steam All of these Pressure of intake steam Volume of intake steam Temperature of intake steam ANSWER DOWNLOAD EXAMIANS APP