The mechanism involved in the removal of metal in drilling operation is by (A) Compression (B) Extrusion (C) Shearing (D) Both 'b' & 'c'

The mechanism involved in the removal of metal in drilling operation is by
(A) Compression
(B) Extrusion
(C) Shearing
(D) Both 'b' & 'c'
by

1 Answer

Answer :

(D) Both 'b' & 'c'
by

Related questions

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