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


✔ View Answer


B.Increase dryness fraction

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


   A.Isentropic

   B.Adiabatic

   C.Hyperbolic

   D.Polytropic


✔ View Answer


B.Adiabatic

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


   A.Divergent portion

   B.Straight portion

   C.Convergent portion

   C.Throat


✔ View Answer


A.Divergent portion

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


   A. Increases

   B.Decreases

   C.Same

   D.None of the above


✔ View Answer


A. Increases

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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


✔ View Answer


B.Less

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