Question

What is the principle on which precision index table works?

(a) Circle divider

(b) Taylor’s principle

(c) Principle of least square

(d) Interference principle

I got this question in a job interview.

My query is from Rotary Tables topic in section Angular Measurement and Circular Division of Engineering Metrology

Answer 1

Correct choice is (a) Circle divider

To explain: Rotary tables are the best-known and widely used circle dividing instrument. Precision index table is a type of rotary table. It is a serrated tooth table which is based on the principle of circular divider.