Hydro Electric Power Plant - Hydro Electric Power plant Objective Questions and Answers

16. Francis,kaplan and propeller turbines fall under the category of.......

   A.Impulse turbine

   B.Reaction turbine

   C.Impulse reaction combined

   D.Axial flow

17. In francis turbine runner,the number of blades is generally of the order of........

   A.1-2

   B.4-6

   C.6-8

   D.12-16

18. Francis turbine is usually used for........

   A.Low head installation upto 30 m

   B.Medium head installation from 30 m to 180 m

   C.High head installation above 180 m

   D.For all heads

19. Gross head of a hydro power station is........

   A.The difference of water level between the level in the storage and tail race

   B.The height of the water level in the river where the storage is provided

   C.The height of the water level in the river where the tail race is provided

   D.None of the above

20. Operating charges are minimum in the case of.......for same power output

   A.Gas turbine plant

   B.Hydel plant

   C.Thermal plant

   C.Nuclear plant

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