Question

The surface to be machined is marked on the pattern by

Answer 1

(A) black color
(B) blue color
(C) red color
(D) yellow color.......thik lagi toh coment jarur karna ok..

Answer 2

The surface to be machined is marked on the pattern by ... A. check the trueness of flat surfaces. B. locate centres of round rods. C. check the surface ...