Q.

In reaction turbine the draft tube is used

A. To increase the effective head
B. To prevent air from entering
C. To reconvert kinetic energy to flow energy by a gradual expansion of the flow cross-section
D. To transport water to downstream without eddies
E. To run the turbine full
Answer» C. To reconvert kinetic energy to flow energy by a gradual expansion of the flow cross-section
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Fluid Mechanics and Hydraulic Machines

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