Q. For maximum efficiency of a series of curved vanes, the speed is (Solved)
1. Equal to the jet speed
2. 3/4 of the jet speed
3. 1/2 of the jet speed
4. 1/3 of the jet spee
- c. 1/2 of the jet speed
1. Equal to the jet speed
2. 3/4 of the jet speed
3. 1/2 of the jet speed
4. 1/3 of the jet spee