20) You have to machine a flat surface on a work piece of two meter length. Which machine will you choose for this?
Answer is:
Planning
ISRO Technician-B Machinist Question Paper - 2015 (Set -1) with Answer Key
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Answer is:
Accommodate socket head screws
Explanation:
Counter boring is the operation of enlarging the end of a hole using a tool called counterbore. Counter boring is done for accommodating socket head screws.
Answer is: