Red Seal Plumbing Practice Exam 2025 - Free Red Seal Plumbing Practice Questions and Study Guide

Question: 1 / 400

Which term describes a fitting formed by the use of pressure or force and by heating in a die?

Cast iron

Wrot copper

A fitting formed by the use of pressure or force and by heating in a die is commonly known as a wrought or compression fitting. This type of fitting is typically used for joining pipes and tubes in plumbing and industrial applications. It is incorrect to say that the term for this type of fitting is cast iron, malleable iron, or stainless steel. While these materials may be used in the production of fittings, they do not accurately describe the process of forming a fitting with pressure and heat. Additionally, "cast iron" and "malleable iron" refer to specific types of iron alloys, while "stainless steel" is a term used to describe any type of steel that is resistant to corrosion and rust. Therefore, B is the only correct answer as it accurately describes the fitting formation process.

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Malleable iron

Stainless steel

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