| List - I | List -II |
| (A)Pipes are used to carry. | (I) By means of nut and Bolt |
| (B)Faces of flanges are machined at right angles to the axis of pipe | (II) For preventing leakage |
| (C)Gasket is used in between faces of two flanges. | (III) For perfect alignments |
| (D)Flanges with gasket in between are connected together. | (IV) water, oil, steam or gas etc. from one place to another place |