Question

Which of the following is true for uses of comparators?

(a) Can’t be used in mass production

(b) Not suitable for inspection purposes

(c) Can be used as working gauge

(d) Slow rate of working

This question was posed to me by my school teacher while I was bunking the class.

I'm obligated to ask this question of Uses of Comparators topic in portion Comparators of Engineering Metrology

Answer 1

The correct choice is (c) Can be used as working gauge

For explanation I would say: Comparators are used in mass production where components are checked at a fast rate. These can be used as inspection purposes, laboratory standards and working standards or gauges.