The speed of a reaction turbine is 250 rpm when working under a head of 120 𝑚. The speed of the turbine when the head is changed to 90 𝑚 will be
A. 167 rpm
B. 197 rpm
C. 217 rpm
D. 237 rpm
Answer:C
The speed of a reaction turbine is 250 rpm when working under a head of 120 𝑚. The speed of the turbine when the head is changed to 90 𝑚 will be
A. 167 rpm B. 197 rpm C. 217 rpm D. 237 rpm