Which of the following are the characteristics of extrusion process 1. Faster speed of production 2. Good surface finish 3. Dimensions can be maintained with close tolerances 4. Mechanical properties of the extruded products are inferior to that of the roiled products Select the correct answer using the codes given below:

Which of the following are the characteristics of extrusion process 1.

1.	Which of the following are the characteristics of extrusion process 1. Faster speed of production 2. Good surface finish 3. Dimensions can be maintained with close tolerances 4. Mechanical properties of the extruded products are inferior to that of the roiled products Select the correct answer using the codes given below:
A.	1 and 2
B.	1, 2 and 3
C.	3 and 4
D.	1 and 4.
Answer» E.

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