Q.33. A model of a hydraulic turbine is tested at a head of 1/4th of that under which the full scale turbine works. The diameter of the model is half of that of the full scale turbine. If N is the RPM of the full scale turbine, then the RPM of the model will be
(A) N / 4
(B) N / 2
(C) N
(D) 2N
Answer: (C)
Explanation:
