📊 Fluid Mechanics and Machinery
Q. turbines, if vanes are fixed to hub of turbine
  • (A) propeller turbine
  • (B) francis turbine
  • (C) kaplan turbine
  • (D) pelton turbine
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✅ Correct Answer: (A) propeller turbine

Explanation: axial flow turbine is a turbine in which water flows axially outwards, if vanes are fixed to hub of turbine it is known as propeller turbine but if vanes are free to move it is known as kaplan turbine.

Explanation by: Mr. Dubey
axial flow turbine is a turbine in which water flows axially outwards, if vanes are fixed to hub of turbine it is known as propeller turbine but if vanes are free to move it is known as kaplan turbine.

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