Question

Q5 (a)Compare the Direct and Indirect extrusion works with the aids of diagram.

(b) In metal forming, there were temperature ranges used including cold, warm and hot working.

(i) Compare between Hot and Cold working of metals.

(ii) Discuss the advantages and disadvantages for both processes.

(c) In designing and developing new products, engineers need to be aware the design consideration factors for plastic components. Give TWO (2) general design consideration factors, ONE (1) design consideration for extrusion process and FOUR (4) design consideration factors for moulding process.

Answer 1

and 5