The working principle of the Micrometer is based on screw and nut. (Rotational moment to linear moment) As we know as the screw rotates one revolution on the screw, then the screw moves linearly by one pitch distance
21) Micrometer works on the principle of
Nut & bolt
Related Measuring MCQ - Machinist(Set-1) with Answers
Vernier bevel protractor
Vernier bevel protractor is used to accurately measure the angle of taper
Least count of Vernier Caliper is 0.02 mm
Rack and pinion mechanism
The dial test indicator or dial gauge amplifies the length or displacement and translate it into rotational motion of pointer over a circular scale using Rack and Pinion Mechanism. It is used for pointer over a circular scale.
Control the pressure
Ratchet stop is present at the end of thimble cap to maintain a uniform measuring pressure. By ratchet stop standard conditions of measurement are attained.