# A jet of water impinges on a single smooth flat vane at its centre. The velocity of the jet is 70 m/s and the diameter 120 mm.Calculate the force on the vane, if it is moving with a velocity of 30 m/s in the direction of jet. Determine the power and efficiency. Also, find the speed of plate at which maximum efficiency may occur.

Question-AnswerCategory: Fluid MechanicsA jet of water impinges on a single smooth flat vane at its centre. The velocity of the jet is 70 m/s and the diameter 120 mm.Calculate the force on the vane, if it is moving with a velocity of 30 m/s in the direction of jet. Determine the power and efficiency. Also, find the speed of plate at which maximum efficiency may occur.

### A jet of water impinges on a single smooth flat vane at its centre. The velocity of the jet is 70 m/s and the diameter 120 mm.Calculate the force on the vane, if it is moving with a velocity of 30 m/s in the direction of jet. Determine the power and efficiency. Also, find the speed of plate at which maximum efficiency may occur.  