31) Bolts A and B are both M12 x 1. Bolt A is of 10.9 grade and Bolt B is of 12.9 grade. Which of the following statements is/are true?
Answer is:
None of the above
Related ISRO Technician-B Plumber Question Paper - 2019 (Set - 1) with Answer Key
Answer is:
Screw thread micrometer
Explanation:
Screw thread micrometer is used to measure the effective diameter of the screw threads. This dimension is important, because the area of the thread flanks in the vicinity of the pitch line is where the greatest transmission of force occurs between mating threads.
Answer is: