Vskills Certified Refrigeration mechanic - Basic Workship Practices Table of Content


Table of Content
 

 

Workshop safety & introduction to basic tools

  • What is an accident?
  • Causes for accidents
  • Safe attitudes
  • Responsibilities
  • Employer’s responsibilities
  • Employee’s responsibilities
  • Rules and procedures at work
  • Safety signs
  • Prohibition signs
  • Waning signs
  • Question about your safety
  • Lifting and handling loads
  • Types of injury and how to prevent them
  • Correct manual lifting techniques

Engineers steel rule

  • Engineer’s steel rule
  • Material and sizes of steel rules
  • Graduation
  • Uses

Marking media

  • Different types of making media

Filing specification

  • File specification
  • Length
  • Types of cut
  • Parts of file

Hacksaw frame and blade

  • Types of hacksaw frames
  • Types of hacksaw blades
  • Setting of the saw
  • Staggered set
  • Wave set
  • Datum
  • Bench vice
  • Vice clamps or soft jaws
  • Radius gauges
  • Universal surface gauges
  • Types of surface gauges
  • Parts and function of a universal surface gauge

Drills

  • Parts of drill
  • Drill bit holder
  • Use of a coolant
  • Countersinking bit
  • Chisel
  • Parts of a chisel
  • Common types of chisel
  • Angle of chisel
  • Point angle and material
  • Hammer
  • Major parts of a hammer
  • Specification
  • Drilling Machines
  • Sensitive bench drilling machine
  • The pillar drilling machine
  • The machine vice
  • Parallels
  • Cutting speed and rpm

Reamers

  • What is reamer?
  • Advantages of ‘reaming’
  • Classification of reamers
  • Parts of a hand reamer
  • Terms relating to cutting geometry

Straight & angular measurements – Marking punches

  • Types of marking punches
  • Types of calipers
  • Jenny calipers
  • Uses
  • Length measurement
  • Length measurement SI units
  • Length
  • Base unit
  • Measurement in engineering practice
  • The British system of length measurement
  • Try square
  • Scriber, divider
  • Scriber
  • Uses
  • Divider
  • Uses

External Threading and Square slot filing – Die and Die stock

  • Uses of die
  • Types of die
  • Different types of thread

Sheet metal

  • Types of sheet
  • Snips
  • Parts of a straight snips
  • Outside micrometer
  • Important parts of an outside microcomputer and their function
  • Reading and outside micrometer

Folding tools

  • Angle steel
  • Folding bar
  • ‘C’ clamp
  • Stakes
  • Types of stakes
  • Notches
  • Purpose of notches
  • Types of notches

Securing metal sheets by rivetting

  • Riveting
  • Uses
  • Material
  • Types of rivets
  • Sizes of rivets
  • Selection of rivet size
  • Method of riveting
  • Rivet set
  • Spacing of rivets

Indian Timbers

  • Teak
  • Deoder
  • Uses
  • Chir
  • Kail
  • Shisham (sissoo)
  • Sal
  • Babul
  • Mango
  • Bamboo
  • Advantages of timber
  • Classification of timber
  • Other method of classification of timber

Plywood

  • Manufacturing of ply wood
  • Advantages
  • USES OF PLYWOOD
  • Sunmica

Marking and measuring tools

  • Common marking tools
  • Wooden folding rule
  • Steel rule
  • Common  marking tools
  • Straightedge
  • Marking gauge
  • Try Square
  • Chisel – its parts, types and their used
  • Parts of a Chisel
  • Types of Chisels
  • Firmer chisel
  • Bevel-edge firmer chisel
  • Paring chisel
  • Mortise Chisel

Various types of half- lap joints and their uses

  • Types of half- lap joints
  • End-lap joint
  • Middle- lap joint
  • Cross-lap joint

General Classifications of joints

  • Lengthening joints
  • Widening joints
  • Framing joints
  • Box joints
  • Circular joint
  • Some common joints
  • Dowel joint
  • Grooved joints
  • Mitre joints
  • Half lap joints
  • Tee- half lap joint
  • Cross half-lap joint
  • The dovetailed half lap
  • Mitre half lap joint

Glue

  • Animal glue
  • Preparation of animal glue
  • Casein Glue
  • Resin glue
  • Vegetable glue
  • Blood albumen glue
  • Wood finishes
  • French polish
  • Varnish intensifies the natural beauty of the grain and texture
  • Application of polish
  • Uses
  • Varnish
  • Oil Stain
  • Application of Staining
  • Painting
  • Application of paints

Welding (Fusion, Non fusion & pressure)

  • Types of Welding
  • Fusion welding
  • Non Fusion Welding
  • Pressure Welding
  • Safety precautions during ac welding
  • Safety precautions
  • Arc-Welding tools and accessories
  • Chipping hammer
  • Wire brush
  • Welding hand screen
  • Welding helmet screen
  • Chipping goggles
  • Tong
  • Electrode  holder with cable
  • Earth clamp with cable
  • Welding table
  • Apron
  • Hand gloves
  • Arc-Welding Machines
  • Function
  • Types
  • A.C. Machines

Basic Workshop Practices (Basic Welding)

  • Square butt joint (ARC) flat position
  • Butt joint
  • Types of edge preparation
  • Methods of edge preparation
  • Distortion and its control
  • Distortion
  • Control of distortion
  • Causes of common welding faults
  • Under Cut
  • Incomplete Penetration
  • Slag inclusion
  • Porosity o blow-hole
  • Spatters
  • Selection and storage of electrodes
  • Factors of the selection of electrodes
  • Properties of the base metal
  • Electrode diameter
  • Joint design and fit up
  • Welding position
  • Welding Current
  • Production efficiency
  • Usage and storage of electrodes

Setting up Oxy-Acetylene plant

  • Oxy-acetylene gas welding
  • Oxygen gas cylinders
  • Dissolved acetylene cylinders
  • Pressure regulators for oxygen
  • Safety for gas cylinders
  • Safety for blowpipes

Setting of Oxy-Acetylene flame

  • Fuel gases used in welding
  • Supporter of combustion gas
  • Temperature and uses of gas flame combinations Oxy-acetylene gas flame
  • Oxy-hydrogen gas flame
  • Oxy-liquid petroleum gas flame
  • Oxy-coal gas flame
  • Types of oxy-acetylene flames
  • Flame types
  • Neutral flame
  • Characteristics
  • Uses
  • Oxidising flame
  • Characteristics
  • Uses
  • Carburising flame
  • Uses
  • Acetylene gas generation
  • Composition of acetylene
  • Principle of an acetylene
  • Methods of acetylene

Apply for Certification

https://www.vskills.in/certification/Vskills-Certified-Refrigeration-mechanic-Basic-Workship-Practices

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