Table of Content
 

 

Steel rule

  • Necessity of marking
  • Marking off
  • Scriber
  • Steel rule
  • Punches
  • Hammer
  • Dot punch
  • Major parts of hammer

Face

  • Peen or Pein
  • Bench vice
  • Eye hole
  • Specification
  • Parts of Bench vice

Chisel

  • Parts of a Chisel
  • Point angle

Clamps

  • Types of clamps used
  • Screw Clamp
  • Uses of different types of clamp

Hacksaw frame and blad

  • Types of Hacksaw Frames
  • Adjustable Frame(Flat type)
  • Adjustable(Tubular type)
  • Hacksaw Blades
  • Types of Hacksaw Blades
  • Flexible Blades: For these
  • Pitch of the Blades
  • Setting of the saw
  • Staggered Set

Parts of a file

  • Tip or Point
  • Face or side
  • Edge
  • Heel
  • Shoulder
  • Tang
  • Handle
  • Ferrule
  • Materials

Cleaning of files

  • Method of removing pinning
  • Try square
  • Wing compass
  • Snips
  • Straight snip
  • Bentsnips

Mallet

  • Types
  • Ordinary mallet
  • Punches used for producing holes

High pressure oxy – acetylene welding equipment and accessories

  • Oxygen gas cylinders
  • Dissolved acetylene cylinders
  • Oxygen pressure regulator
  • Acetylene regulator
  • Rubber hose-pipes and connections

Safety precautions in handling oxy – acetylene gas welding plant

  • General safety precautions

Gas welding hand tools

  • Double ended spanner
  • Cylinder key
  • Nozzle or tip cleaner
  • Tip cleaner
  • Chipping hammer
  • Carbon steel wire brush
  • Tongs

Types of oxy – acetylene flames

  • CHARACTERISTICS AND USES
  • Neutral flame
  • Uses
  • Oxidizing flames
  • Carburizing flame
  • Uses

Basic welding joints

  • Basic welding joints
  • Root gap
  • Leg length
  • Parentmetal
  • Reinforcement
  • Root
  • Root penetration
  • Sealing run

Edge preparation

  • TYPES OF EDGE PREPARATION AND SETUP
  • Basic welding positions
  • Principle of gas cutting and Operation
  • Introduction to gas cutting
  • Principle of gas cutting
  • Cutting operation

System of oxy – acetylene welding

  • Oxy-acetylene plants
  • Oxy-acetylene systems
  • Types of blowpipes
  • Advantages of high pressure system
  • Disadvantage of high pressure system
  • Advantages of low pressure system
  • Disadvantage of low pressure system

Welding regulator

  • Types of regulators
  • Welding regulator(single stage)
  • Welding regular (double stage)
  • Sequence of steps
  • Care and maintenance of regulator

Welding blowpipe

  • Types
  • Uses of blow pipes
  • Equal or High pressure blowpipe
  • Low pressure blowpipe

Weld defects – Causes and remedies

  • Inspection of weld (NDT) – Visual inspection
  • Necessity of inspection
  • Types of tests
  • Visual inspection
  • Visual inspection before welding
  • Visual inspection during welding
  • Checkpoints for inspection
  • Testing of welds
  • Types of testing Non-destructive testing (NOT)
  • Destructivetesting

Methods of Non-destructive tests

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

Apply for Certification

https://www.vskills.in/certification/Vskills-Certified-Gas-Cutting-Operator