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Certified Pipe Tig and Arc Welder

How It Works

  1. 1. Select Certification & Register
  2. 2. Receive a.) Online e Learning Access (LMS)    b.) Hard copy - study material
  3. 3. Take exam online anywhere, anytime
  4. 4. Get certified & Increase Employability

Test Details

  • Duration: 60 minutes
  • No. of questions: 50
  • Maximum marks: 50, Passing marks: 25 (50%).
  • There is NO negative marking in this module.
  • Online exam.

Benefits of Certification

Rs.3,499 /-

Vskills has developed a new strategic framework for Skill Development for early school leavers and existing workers, especially in the unorganized sector to improve their employability called Trade Employable Skills (TES).

Trade Employable Skills does effective assessment and certification of candidates in different trade disciplines like Electrical, Electronics, Agriculture, Chemical, Automobile, IT, etc to make them job ready.

Why should one take this certification?

To demonstrate clear understanding and practical aspects and to get a visible recognition for this knowledge.

Table of Content

Practice Test

Companies that hire Pipe Tig and Arc Welder

All small and medium companies need certified employees who have the requisite skills. There are more jobs opening up in the economy on a regular basis with the fast growth of the country.

Apply for Certification

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  • American Express

Basic Welding joints

  • Types of weld
  • Root gap
  • Heat affected zone
  • Leg length
  • Parent metal
  • Fusion penetration
  • Reinforcement
  • Root
  • Root face
  • Root run
  • Root penetration
  • Run
  • Sealing run
  • Backing run
  • Threat thickness
  • Toe of weld
  • Weld face
  • Weld junction
  • Fusion face
  • Fusion zone 

Methods of pipe welding by Arc

  • Advantages of welded pipe
  • Methods of pipe welding
  • Types of pipe joints
  • Welding of pipe butt joints
  • Pipe welding positions
  • During the welding of butt joints the pipe may be
  • Pipe welding by arc by continuous rotation method
  • Setting the pipe for welding
  • Welding of a pipe butt joint by segmental welding 

Pipe welding by Arc in fixed positions

  • Welding procedure of M.S pipe butt joint by arc in fixed (5G)  position
  • Advantages of H/P pipe welding

Principle of arc welding

  • Metallic arc welding

Basic electricity as applied to welding

  • Cooper
  • Ohm’s law
  • The law states
  • Application of ohm’s law

Polarity in DC Arc welding

  • Arc length and its effects
  • Arc length
  • Medium, normal arc
  • Long arc
  • Short arc
  • Effects of different arc length
  • Arc welding electronics
  • Method of flux coasting
  • Coating factor
  • Storage of Electronics
  • Remember a moisture-affected electrode
  • Always pickup the right electrodes that will provide
  • Storage of electrodes
  • Drying electrodes
  • Indicates of electrodes affected by moisture are

Tig Welding process and equipment

  • TIG welding
  • TIG welding equipment
  • Gas regulator, flow meter
  • Advantages of Tig welding process

Power source of Tig welding – types, applications – care and maintenance

  • Power source for GTAW
  • Types of power source

High frequency unit and DC suppressor unit

  • High frequency unit
  • Care and maintenance of HF unit

Properties and uses of Argon and helium gas – ceramic shield

  • Shielding gases
  • Properties of argon and helium gas
  • Gases for TIG welding of aluminum Argon gas

Tungsten electrodes – type – uses

  • Tungsten electrodes
  • Electrodes of four different types are used
  • Composite tungsten electrode with strips of tungsten with thorium attached
  • For edge wleds
  • Current density

Weld symbol and welding symbol-Description and uses

  • Necessity
  • Elementary symbols
  • Supplementary symbols

Inspection of weld (NDT) Visual inspection

  • Necessity of inspection
  • Types of tests
  • Visual inspection before welding
  • Visual inspection during welding
  • Cheackpoints for inspection
  • Testing welds
  • Necessity of testing of welds
  • Types of testing
  • Non-destructive testing (NOT)
  • Destructivetesting

Methods of Non-distructive tests

  • Common non-distructive testing
  • Special non – destructive tests
  • Liquid penetrant test

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