Consider the following statements with regard to hydraulic turbines:1) Kaplan turbines are most efficient at part load operation.2) If n is the number of jets in a Pelton turbine, then the specific speed is proportional to n23) The flow ratio of Francis turbines are in the range of 0.1 – 0.3Which of the above statements is/are correct?

Consider the following statements with regard to hydraulic turbines:1)

1.	Consider the following statements with regard to hydraulic turbines:1) Kaplan turbines are most efficient at part load operation.2) If n is the number of jets in a Pelton turbine, then the specific speed is proportional to n23) The flow ratio of Francis turbines are in the range of 0.1 – 0.3Which 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
Answer» D. 2 and 3 only