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