Steam Nozzle - Steam Nozzle objective type questions and answers

11. The effect of friction in nozzle is to .......

   A.Keep dryness fraction constant

   B.Increase dryness fraction

   C.Decrease dryness fraction

   D.First increase dryness fraction upto certain limit and then decrees it

12. Under thermal equilibrium, flow of steam is.......

   A.Isentropic

   B.Adiabatic

   C.Hyperbolic

   D.Polytropic

13. Shock effect in a nozzle is felt in.........

   A.Divergent portion

   B.Straight portion

   C.Convergent portion

   C.Throat

14. The Effect of friction in a nozzle......dryness fraction of steam

   A. Increases

   B.Decreases

   C.Same

   D.None of the above

15. The critical pressure ratio for initially superheated steam is.......as compared to initially dry saturated steam

   A. More

   B.Less

   C.Same

   D.None of the above

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