Red Seal Plumbing Complete 2025 Practice Exam

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Question: 1 / 400

When selecting a telescopic expansion joint, it is critical that the axial movement is at least what?

Equal to the maximum pipe movement

It is important to select a telescopic expansion joint that can handle the necessary amount of axial movement in the pipeline. Option B, half of the pipe's diameter, would not provide enough flexibility for the joint to properly accommodate movement. Option C, twice the pipe's diameter, may be excessive and result in additional unnecessary costs. Option D, less than the minimum pipe movement, would not provide enough leeway and could possibly cause damage to the joint or pipeline. Therefore, the best option is A, equal to the maximum pipe movement, to ensure proper functioning and reliability of the expansion joint.

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Half of the pipe's diameter

Twice the pipe's diameter

Less than the minimum pipe movement

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