To Contain Backing Gas in a Pipe of Small Diameter

question 11

Multiple Choice

To contain backing gas in a pipe of small diameter, or short sections of pipe, ____.

• A) the ends of the pipe are capped
• B) the pipe is plugged on either side of the weld
• C) the pipe is plugged using water-soluble plugs
• D) the pipe is plugged using soft plastic bags

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Definitions:

Numerator

The top number in a fraction used to calculate a rate or ratio, representing the part of a whole.

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