melting point
a . Cast Iron B.High corbon steel. c. alloy steel d. non of them
a 1:1 b 2:1 c 1:2 d 3:2
a. depth micrometer b. inside micrometer c. outside micrometer d. tube micrometer
metrics Hoti hai kya
(a)p.v.c. (b)G.I. (c)bhur bhura (d)badhane ki yogyta
A. 6 - 8 B. 10 -15 C. 2 - 4 D. none of these
I.t.I ka exam kab