Consider the following statements with respect to Deriaz turbine:
1. It is intermediate between the mixed flow and the axial flow turbine
2. It is known as Diagonal turbine
3. It can be used as turbine as well as pump
Which of these statements are correct?
(a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3