Question

The principle of interchangeability is normally employed for

Answer 1

It is employed for mass production

Explanation:

• The term interchangeability is mostly employed in mass production of identical items under the limits of prescribed sizes.
• When giving a little consideration, it is clear that a lot of time is required in order to maintain the sizes of different parts within the degree of accuracy.
• However, there are still small variations

See a relevant question here:

Write short notes on Mass production.

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