A and B are at the same elevation of 2.5 m above datum in the valve and pipe line as shown in the given figure. The velocity head of 0.5 m, head loss in the valve of 0.2 m and pressure head of 2.5 m are the parameters at A. The piezometric head at B is equal to:
1
5.0 m
2
5.5 m
3
5.3 m
4
4.8 m