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


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B.Reaction turbine

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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


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D.12-16

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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


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B.Medium head installation from 30 m to 180 m

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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


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

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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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B.Hydel plant

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