Question

Consider the following basic steps involved in the production of porous bearings:

            1. Sintering                              2. Mixing

            3. Repressing                           4. Impregnation

            5. Cold – die compacting

            Which one of the following is the correct sequence of  the above steps?

            (a) 1 – 2 – 3 – 4 – 5                 (b) 2 – 5 – 1 – 3 – 4

            (c) 5 – 4 – 3 – 2 – 1                 (d) 4 – 3 – 1 – 5 – 2