Question

In order to reduce the rotor speed of an impulse turbine, the method employed is
A. velocity compounding
B. pressure compounding
C. pressure-velocity compounding
D. all of these

Answer 1

d. all of. these.... ..

Answer 2

Answer: D. All of these

Explanation:

Impulse turbine uses the impulse produced by the fluid to spin the turbine. The jet stream is made to flow through the vanes and moves the rotor. In this turbine, the kinetic energy of the fluid is converted into kinetic energy of the turbine.  

The speed of the rotor can be reduced by reducing the speed of the fluid (Velocity compounding) or by increasing the pressure of the fluid flowing through the rotor and stator (Pressure compounding). The turbine design changes according to the type of compounding used in the turbine.