Rhode Island Master Pipefitter Practice Exam – Complete Test Prep 2025

Question: 1 / 400

What is a common cause of excessive weld spatter?

Incorrect filler material

Too much heat/wrong polarity

Excessive weld spatter is often a result of too much heat or incorrect polarity when performing welding operations. When the heat applied is too high, it can lead to excessive molten metal being expelled from the weld pool, resulting in more spatter as the molten materials cool and solidify around the weld area. Additionally, using the wrong polarity can affect the arc stability, leading to unstable welds and increased spatter. This is particularly important in processes such as MIG welding, where the balance of heat and arc characteristics directly influences the amount of spatter generated during the welding process.

The other options, while they may contribute to various welding issues, do not directly correlate to excessive spatter in the same way that excessive heat and incorrect polarity do.

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Low gas flow

Improper technique

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