Thermal Power Plant - Thermal or Steam Power plant Objective Questions and Answers


11. 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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12. In reaction turbine,function of the draft tube is........


   A.To increase the flow rate

   B.To reduce water hammer effect

   C.To convert kinetic energy of water to potential energyby a gradual expansion in divergen part

   D.None of the above


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B.To reduce water hammer effect

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13. Pelton turbine is suitable for high head and........


   A.High discharge

   B.Low discharge

   C.High and low discharge

   D.None of the above


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B.Low discharge

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14. Francis turbine is usually used for........


   A.High head

   B.Low head

   C.Mediam head

   D.All of the above


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C.Mediam head

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15. Pelton wheel turbine is used for minimum of the following heads........


   A.20 m

   B.40 m

   C.120 m

   D.180 m and above


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D.180m and above

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