engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Electrician and Wireman Measuring Instruments
Least count of a micrometer is defined as
1
Difference between the main scale division and number of divisions in the head scale
2
Number of head scale divisions divided by main number of main scale divisions
3
Number of rotation of the thimble divided by the value of the main scale division
4
Value of main scale division divided by number of head scale divisions