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Certified Junior 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 Junior 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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Types of welding processes and application

Oxy-acetylene welding plant- description, operating procedures, safety

  • Safety precautions in handing oxy-acetylene gas welding plant
  • Flashback and backfire

Types of oxy-acetylene flames and their uses

  • Types of metals and Charcteristice
  • Properties of metals
  • Identification of different metals in workshop tests and their characteristics
  • Chemistry of oxy-acetylene flame
  • Gases used for welding and gas flame combinations

Basic electricity as applied to welding

  • Shielded metal arc welding, its advantages and limitations
  • Arc welding machines
  • Arc welding accessories and tools

Safety precautions in manual metal arc welding

  • Principle of welding arc, its characteristics and Arc length
  • Arc length and its effects
  • Metal transfer across the arc (Characteristics of arc)

Welding technique of oxy-acetylene welding

  • Rightward technique of oxy-acetylene gas welding
  • Filler rods used in gas welding
  • Filler rods for gas welding

Welding regulator

  • Welding blowpipe

Types of welding joints and edge preparations

  • Types of welds
  • Methods of cleaning the base metals before welding
  • Edge preparation
  • Welding positions and their significance

Principle of oxy Acetylene cutting process

  • Oxy-acetylene cutting equipment and selection of blow pipe size pressure setting for various thicknesses of MS plates

Polarity in DC Arc welding – types and application

  • Types and functions of smaw electrodes and coating factor
  • MS Welding Electrodes
  • Coding of SMAW electrodes as per BIS/AWS

Choice and storage of electrodes

Metal and their Weldability

Soldering, brazing

Silver soldering

  • Faults in gas welding
  • Weld defects- Causes and remedies
  • Defects in Arc welding – its effect
  • Defects in Arc welding – definition, causes and remedies

Arc blow and its control

Distortion and methods of control

  • Distortion in gas welding

Necessity of preheating and post heating while welding alloy steels

  • Welding of low, medium and high carbon steels by arc
  • Welding method of low carbon steel and medium carbon steel

Inspection and testing of welding

  • Effect of variations in welding procedure on the welds in SMAW
  • Methods of Non- destructive tests
  • Destructive test

Arc power source, AC Transformers, DC welding generator, DC welding rectifiers and features

  • Advantage and disadvantages of AC and DC welding

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