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

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Question: 1 / 400

In what direction does metal expand when heated with no restraint?

Horizontally

Vertically

Diagonally

Volumetrically (all directions)

Heat causes molecules to move and fluctuate with more energy, increasing the distance between them and causing an expansion in all directions. Options A, B, and C all refer to specific directions of expansion, but in reality, metal will expand in all directions when heated with no restraint.

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