Energy of water entering the reaction turbine

Q.  The energy of water entering the reaction turbine is _______
- Published on 16 Sep 15

a. fully the kinetic energy
b. fully the pressure energy
c. partly the pressure energy and partly the kinetic energy
d. unpredictable

ANSWER: partly the pressure energy and partly the kinetic energy

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    Discussion

  • Pankaj   -Posted on 07 Oct 15
    In the reaction turbines, a part of pressure energy of water is first converted into kinetic energy before supplied to runner.

    Therefore, the energy of water entering the reaction turbine is partly the pressure energy and partly the kinetic energy. Both the pressure energy as well as kinetic energy of the fluid are reduced simultaneously while passing over runner. This energy conversion results into mechanical energy.

    The reaction turbine works on the principle of impulse-reaction. The transfer of energy from reaction turbine is described by Newton's third law of motion. Most of the water turbine in use are reaction turbines.

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