Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat None of these More than the velocity of sound Less than the velocity of sound Equal to the velocity of sound None of these More than the velocity of sound Less than the velocity of sound Equal to the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The clearance in the engine cylinder All of these Increases the mean effective pressure Increases the workdone Decreases the efficiency of the engine All of these Increases the mean effective pressure Increases the workdone Decreases the efficiency of the engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between Induced draft fan and forced draft fan Air preheater and chimney None of these Last superheater or reheater and air preheater Induced draft fan and forced draft fan Air preheater and chimney None of these Last superheater or reheater and air preheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the clearance volume to the swept volume is called Expansion ratio Cut-off ratio None of these Clearance ratio Expansion ratio Cut-off ratio None of these Clearance ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler stays are used to Prevent flat surfaces under pressure from tearing apart Provide support for boiler Take care of failure in shear Take care of failure in compression Prevent flat surfaces under pressure from tearing apart Provide support for boiler Take care of failure in shear Take care of failure in compression ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The compounding of turbines is done in order to Improve efficiency All of these Reduce speed of rotor Reduce exit losses Improve efficiency All of these Reduce speed of rotor Reduce exit losses ANSWER DOWNLOAD EXAMIANS APP
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