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 Fusible plug Safety valve Water level indicator Pressure gauge Fusible plug Safety valve Water level indicator Pressure gauge 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 value of the reheat factor varies from 1.6 to 2 1.08 to 1.10 1.02 to 1.06 1.2 to 1.6 1.6 to 2 1.08 to 1.10 1.02 to 1.06 1.2 to 1.6 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. Lower than Equal to Higher than None of these Lower than Equal to Higher than None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The water tubes in a Babcock and Wilcox boiler are Vertical Horizontal and inclined Horizontal Inclined Vertical Horizontal and inclined Horizontal Inclined ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be 640/3 m/s 640 m/s 160/3 m/s 320/3 m/s 640/3 m/s 640 m/s 160/3 m/s 320/3 m/s ANSWER DOWNLOAD EXAMIANS APP