SENSE Module 4 SMAW Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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SENSE Module 4 SMAW
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SENSE Module 4 SMAW
SENSE Module 4 SMAW Questions and
Answers | Latest Version | 2024/2025 |
Correct & Verified
What does SMAW stand for in welding?
Shielded Metal Arc Welding.
What is the primary purpose of the electrode in SMAW?
To provide filler material for the weld and conduct electrical current.
...
SENSE Module 4 SMAW Questions and
Answers | Latest Version | 2024/2025 |
Correct & Verified
What does SMAW stand for in welding?
✔✔ Shielded Metal Arc Welding.
What is the primary purpose of the electrode in SMAW?
✔✔ To provide filler material for the weld and conduct electrical current.
What type of current is commonly used in SMAW?
✔✔ Both direct current (DC) and alternating current (AC).
What is the function of the flux in the electrode coating during SMAW?
✔✔ To protect the molten weld pool from contamination and to stabilize the arc.
Why is it important to maintain the correct arc length in SMAW?
✔✔ To ensure good weld quality and prevent defects like porosity or lack of fusion.
1
,What is the typical range of amperage used for SMAW?
✔✔ Generally between 40 and 250 amps, depending on the electrode size and material thickness.
How does the electrode size affect the SMAW process?
✔✔ A larger electrode size requires higher amperage, while a smaller electrode size is used for
thinner materials.
What is the purpose of weaving the electrode in SMAW?
✔✔ To ensure even heat distribution and proper fusion along the joint.
What is a common defect associated with improper welding technique in SMAW?
✔✔ Undercut, where the base metal adjacent to the weld is melted and left unfilled.
How does the position of the welder affect the SMAW process?
✔✔ The position, such as flat, horizontal, vertical, or overhead, impacts arc control and weld
quality.
What is the function of slag in SMAW?
2
, ✔✔ To protect the cooling weld bead from air contamination and help solidify the weld metal.
Why is it important to remove slag between passes in SMAW?
✔✔ To ensure good adhesion between weld layers and avoid inclusions.
What is the typical angle for the electrode when welding in the flat position using SMAW?
✔✔ The electrode is generally held at a 90-degree angle to the workpiece.
How does the travel speed affect the quality of a weld in SMAW?
✔✔ Too fast a travel speed can lead to incomplete fusion, while too slow can cause excess heat
and spatter.
What causes spatter in SMAW?
✔✔ Incorrect voltage, excessive current, or improper electrode angle can cause excessive spatter.
What is the importance of joint preparation before starting an SMAW weld?
✔✔ Proper joint preparation ensures good fit-up, reduces the risk of defects, and makes welding
easier.
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