Q. Based on flow quality, the sequence of pipes is (Solved)
1. A.C. pipes, G.I. pipes, C.I. pipes, PVC pipes
2. C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes
3. C.I. pipes, G.I. pipes, PVC pipes, A.C. pipes
4. None of these
- b. C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes