Red Seal Plumbing Practice Exam

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One inch medical gas piping run vertically must be supported at least every how many meters?

1.5 m
2.4 m
3.0 m
3.5 m

The correct answer is: 2.4 m

A 1.5 m - This distance is too short for proper support of the piping. The weight of the piping and the contents of the gas can put stress on the joints and cause them to fail. C: 3.0 m - This distance is too long for proper support of the piping. The weight of the piping and the contents of the gas can cause the piping to sag and potentially leak. D: 3.5 m - This distance is also too long for proper support of the piping, for the same reasons as stated above. A distance of 2.4 m is the most suitable to support the piping and prevent potential issues.