Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat Less than the velocity of sound More than the velocity of sound Equal to the velocity of sound None of these Less than the velocity of sound More than the velocity of sound Equal to the velocity of sound None of these 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 Water Dry steam Super heated steam Wet steam Water Dry steam Super heated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by Curved line Horizontal straight line Vertical straight line Straight inclined line Curved line Horizontal straight line Vertical straight line Straight inclined line ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is Zero Depends on temperature also Minimum Maximum Zero Depends on temperature also Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the clearance volume to the swept volume is called Expansion ratio Clearance ratio None of these Cut-off ratio Expansion ratio Clearance ratio None of these Cut-off ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? A steam turbine develops higher speeds All of these The steam consumption is less The efficiency of steam turbine is higher A steam turbine develops higher speeds All of these The steam consumption is less The efficiency of steam turbine is higher ANSWER DOWNLOAD EXAMIANS APP
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