Consider the following statements with regard to hydraulic turbines:
1. Kaplan turbines are most efficient at part load operations
2. If n is the number of jets in a Pelton turbine, then the specific speed is proportional to n2
3. The flow ratio of Francis turbines are in the range of 0.1 – 0.3
Which of the above statements is/are correct?
(A) 1, 2 and 3 (B) 1 and 2 only
(C) 1 and 3 only (D) 2 and 3 only