58) The outer dia of the blank for cutting external thread of M8 x 1 is approximately
Answer is:
7.9 mm
Related ISRO Technician-B Turner Question Paper - 2019 (Set-1) with Answer Key
Answer is:
118 degree
Explanation:
For general purpose use point angle of twist drill is 118 Degree.
62) The process of enlarging the end of a hole to an even depth for housing the socket screw head is
Answer is:
counter boring
Explanation:
The process of enlarging the end of a hole to an even depth for housing the socket screw head is called as counter boring.
