Steam Nozzle - Steam Nozzle objective type questions and answers

1. Nozzle efficiency is described as.......

   A.Isentropic heat drop/useful heat drop

   B.useful heat drop/isentropic heat drop

   C.saturation temperature/supersaturation temperature

   D.supersaturation temperature/saturation temperature

2. The critical pressure ratio for initially dry saturated steam is.......

   A.0.528

   B.0.546

   C.0.577

   D.0.582

3. The steam leaves the nozzle at a.........

   A.High pressure and low velocity

   B.High-pressure and high velocity

   C.Low pressure and low velocity

   C.Low pressure and high velocity

4. The flow of steam in a nozzle is subsonic at......

   A.Throat

   B.Entrance

   C.Convergent portion

   D.Divergent portion

   E.Convergent divergent portion

5. In convergent nozzle velocity velocity attained is.......

   A.Velocity of sound

   B.Supersonic velocity

   C.Around 500 m/sec

   D.1000 meter/sec

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