The lock nut is simply a quarter turn nut that locks the spindle from turning. The sleeve contains the scale which is used to determine the measurement and the internal threads which allow the spindle to move.
6) Lock nut in the micrometer is provided to
Answer is:
lock the reading after setting it over the work piece
Explanation:
Related ISRO Technician-B Turner Question Paper - 2019 (Set-1) with Answer Key
Answer is: