Welder TIG and ARC

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Welder TIG and ARC Interview Questions and Answers

Updated 15 Mar 2024

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Q1. Which welding types Ans T,joints But,joints Iab,joints Cornar,joints Aej,joints Top to botam and botam to top

Ans.

There are various types of welding, including T-joints, butt joints, lap joints, corner joints, and top-to-bottom and bottom-to-top welding.

  • T-joints involve welding two pieces of metal perpendicular to each other, forming a T shape.

  • Butt joints involve welding two pieces of metal end-to-end.

  • Lap joints involve welding two pieces of metal that overlap each other.

  • Corner joints involve welding two pieces of metal that meet at a corner.

  • Top-to-bottom and bottom-to-top welding involv...read more

Q2. Which weld defect occurs on the joint due to less flow rate fo shielding argon gas

Ans.

Incomplete penetration is the weld defect that occurs on the joint due to less flow rate of shielding argon gas.

  • Incomplete penetration occurs when the weld metal does not penetrate through the joint completely.

  • This can lead to weak and unreliable welds.

  • It can be caused by insufficient shielding gas flow rate, improper welding technique, or incorrect welding parameters.

  • Examples of incomplete penetration include lack of fusion, cold lap, and undercutting.

  • Proper gas flow rate an...read more

Q3. Whate is welding definesan Ans Two meatl part burn and parmnant melt joint

Ans.

Welding is the process of permanently joining two metal parts by melting and fusing them together.

  • Welding involves the use of heat to melt the base metals and a filler material to create a strong joint.

  • Different welding techniques include TIG (Tungsten Inert Gas) and ARC (Shielded Metal Arc) welding.

  • TIG welding uses a non-consumable tungsten electrode to create the arc and requires a separate filler material.

  • ARC welding uses a consumable electrode coated in flux to create the...read more

Q4. Welding position in pipes Ans 1g,2g,3g,4g,5g,6g all welding position

Ans.

Welding positions in pipes include 1g, 2g, 3g, 4g, 5g, and 6g.

  • 1g is a flat position with the pipe in a horizontal position

  • 2g is a horizontal position with the pipe in a vertical position

  • 3g is a vertical position with the pipe in a fixed position

  • 4g is a fixed position with the pipe in a horizontal position

  • 5g is a horizontal position with the pipe at a 45-degree angle

  • 6g is a fixed position with the pipe at a 45-degree angle

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Q5. Welding joints types Ans 6 joints types in welding

Ans.

There are 6 types of welding joints: butt joint, lap joint, corner joint, tee joint, edge joint, and scarf joint.

  • Butt joint: two pieces of metal are joined end-to-end

  • Lap joint: two pieces of metal overlap and are joined together

  • Corner joint: two pieces of metal are joined at a right angle

  • Tee joint: two pieces of metal are joined at a T-shaped intersection

  • Edge joint: two pieces of metal are joined along their edges

  • Scarf joint: two pieces of metal are joined by overlapping and ...read more

Q6. What is tha tig full forme

Ans.

TIG stands for Tungsten Inert Gas.

  • TIG is a welding process that uses a non-consumable tungsten electrode to produce the weld.

  • The electrode and the weld area are protected from atmospheric contamination by an inert gas, typically argon.

  • TIG welding is commonly used for high-quality welds on thin materials, stainless steel, and non-ferrous metals.

  • It provides precise control over the welding process and produces clean and strong welds.

  • TIG welding is also known as Gas Tungsten Arc...read more

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Q7. Is tig welding celity

Ans.

TIG welding is a high-quality welding process that produces clean and precise welds.

  • TIG welding uses a non-consumable tungsten electrode to create the arc and melt the metal.

  • It requires a high level of skill and precision to control the heat and produce a clean weld.

  • TIG welding is commonly used for welding thin materials, such as aluminum and stainless steel.

  • It produces a high-quality weld with minimal spatter and distortion.

  • TIG welding is not suitable for all types of weldin...read more

Q8. Which welding perfect

Ans.

The perfect welding technique depends on the specific project and materials being used.

  • The perfect welding technique can vary based on factors such as the type of metal being welded, the thickness of the materials, and the desired strength of the weld.

  • For TIG welding, a perfect technique involves using a non-consumable tungsten electrode to create a precise and clean weld on thin materials like stainless steel or aluminum.

  • For ARC welding, a perfect technique involves using a ...read more

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Q9. Tig welding used gas

Ans.

Yes, Tig welding uses gas to protect the weld pool from atmospheric contamination.

  • Tig welding uses a shielding gas, typically argon or a mixture of argon and helium, to protect the weld pool.

  • The gas creates a stable arc and prevents oxidation of the weld.

  • Gas flow rate and composition are important factors in Tig welding process.

  • Examples of Tig welding gas include pure argon for welding aluminum and a mix of argon and CO2 for welding steel.

Q10. Mig welding meaning

Ans.

Mig welding stands for Metal Inert Gas welding, a process where a continuous solid wire electrode is fed through a welding gun and into the weld pool.

  • Mig welding uses a shielding gas to protect the weld from atmospheric contamination.

  • The wire electrode melts and fuses with the base metal to form the weld.

  • Commonly used in automotive, construction, and manufacturing industries.

  • Provides high welding speeds and can be used on a variety of metals.

  • Example: Welding together two piec...read more

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