Consider the following statements:1) The wheel can be operated freely in air2) Pressure at the exit of the nozzle is atmospheric3) Pressure does not vary along the moving vanes4) Change in direction of momentum imparts thrust over moving vanesWhich of the above statements are applied to impulse turbine?

Consider the following statements:1) The wheel can be operated freely

1.	Consider the following statements:1) The wheel can be operated freely in air2) Pressure at the exit of the nozzle is atmospheric3) Pressure does not vary along the moving vanes4) Change in direction of momentum imparts thrust over moving vanesWhich of the above statements are applied to impulse turbine?
A.	1, 2 and 3 only
B.	1, 2 and 4 only
C.	3 and 4 only
D.	1, 2, 3 and 4
Answer» E.