23) The first step of quality control is the product specification. On who's opinion is the product specification based ?
Consumer / user
Related Limits and Fits MCQ - Machinist(Set-1) with Answers
Standardization is the most important factor required to achieve the interchangeability in mass production.
Ensue interchangeability of threaded parts
Threaded components both external and internal are manufactured with thread tolerance. One of the reasons for having thread tolerances is to ensue interchangeability of threaded parts.
18 grades of tolerances
In the BIS system of limits and fits, the grades of tolerance are represented by numbers, and they are 18 grades of tolerances.