Question

Which of the following machines is used for checking the dimensions more accurately?

(a) Radiography machine

(b) UV machine

(c) Coordinate measuring machine

(d) Universal testing machine

This question was posed to me during an interview.

I'm obligated to ask this question of Dimensional Inspection in portion Inspection Testing in Foundries of Casting-Forming-Welding I

Answer 1

Right option is (c) Coordinate measuring machine

The explanation is: Coordinate measuring machine (CMM) is basically used for the measurement of dimensions more accurately. However, the checking of dimensions of any casting or material can be done manually but the CMM makes more accurate and precise measurement with high automation.