For attaining maximum efficiency, a Francis turbine runner is so designed as to result in radial discharge at exit. This is done by : a) Providing runner vane angle at inlet as 90o b) Providing guide vane angle at inlet as 90o c) Providing runner vane angle at exit as 90o d) Designing for absolute velocity at outlet to be inclined at 90o to direction of vane there

For attaining maximum efficiency, a Francis turbine runner is so designed as to result
 in radial discharge at exit. This is done by :
 a) Providing runner vane angle at inlet as 90o
 b) Providing guide vane angle at inlet as 90o
 c) Providing runner vane angle at exit as 90o
 d) Designing for absolute velocity at outlet to be inclined at 90o
 to direction of vane there
by

1 Answer

Answer :

d) Designing for absolute velocity at outlet to be inclined at 90o to direction of vane there
by

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Francis turbine

Description : Francis turbine

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