Red Seal Welding Practice Exam 2025 – The All-In-One Guide to Exam Success!

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What drawing works off of 30° on both sides of the centreline?

Orthographic

Isometric

An isometric drawing is a type of axonometric projection, meaning it is a three-dimensional (3D) drawing that represents an object in a 2D format. It uses 30° angles on all three axes (x, y, and z) in order to create a 3D representation of an object. In contrast, orthographic drawings use 90° angles and show multiple views of an object, while perspective drawings show depth and use vanishing points to create a realistic 3D illusion. Schematic drawings show simplified and abstract representations of an object, but do not necessarily follow specific angles or measurements.

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Perspective

Schematic

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