Q. Efficiency off the jet of the water having velocity V & Striking a series of vertical plates moving witha velocity u, is maximum when (Solved)
1. 1/g (vw1u1 + vw2u2)
2. 1/g[v1u1+v2u2]
3. 1/g[vw1u1??vw2u2.]
4. none of the above
- d. none of the above