Question

3) Due to which reason dyill breaks dring center drilling)
a) by giving too much feed b) by trapping of chips
c) by reducing speed anel feed d) none of these
1) Which
material is used to make the gauge of good
quality?
a) vanadium Steel 6) mild steel c) cast iron d) none of
these
- metal is removed in lappin
E) As compare to honing
c) move
d) none of these
D) 1088
b) Vory less​

Answer 1

Explanation:

3.d

1.b

this is the answer