Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot (A) Piercing (B) Spinning (C) Drawing (D) Extrusion

Circular cross section machine parts which are symmetrical about the
axis of rotation are made by hot
(A) Piercing
(B) Spinning
(C) Drawing
(D) Extrusion
by

1 Answer

Answer :

Option B
by

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