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Gas Metal Arc Welding (GMAW) Flux Cored Arc Welding (FCAW) Metal Cored Arc Welding (MCAW) Practice Test

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What is the angle range for a Single Vee prep on pipe?
Correct Answer:
60-70 degrees
Explanation:
A single Vee groove is made by beveling both pipe edges so they meet in a V shape. The important measure is the groove’s included angle—the angle between the two bevel faces at the root. For a standard pipe weld, this included angle is typically in the 60 to 70 degrees range. This range provides a practical root opening that allows proper root penetration and access for the weld pool, while not requiring unnecessary material removal or creating an excessively large weld bead. If you imagine the bevels on each side, each side would be about 30 to 35 degrees, which roughly adds up to the 60–70 degree included angle.

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