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

11. The cheapest plant in operation and maintenance is.......

   A.Staem power plant

   B.Nuclear power palnt

   C.Hydro-electric power plant

   D.None of the above

12. Running cost of a hydro-electric power plant is.......

   A.Equal to running cost of a steam power plant

   B.Less than running cost of a steam power plant

   C.More than running cost of a steam power plant

   D.None of the above

13. Location of the surge tank in a hydro-electric station is near to the........

   A.Tailrace

   B.Turbine

   C.Reservoir

   D.None of the above

14. Pelton wheel turbine is used for minimumof the following heads........

   A.40 m

   B.120 m

   C.150 m

   D.180 m or above

15. In high head hydro power plant the velocity of water in penstock is about........

   A.1 m/s

   B.4 m/s

   C.7 m/s

   D.12 m/s

16. The function of a surge tank is........

   A.To supply water at constant pressure

   B.To produce surges in the pipe line

   C.To relieve water hammer pressures in the penstock pipe

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