Table of Content
 

General precautions and safety measures
  • The general safety precautions to be observed in a carpentry shop are as follows.
  • Safety practice-first aid
  • Electric shock
  • Effects of an electric shock
  • Electrical burns
  • Burns and scalds
  • Severe bleeding
  • Immediate action
  • To control severe bleeding
  • Large wound
  • Safety practice – fire extinguishers
  • Fuel
  • Heat
  • Oxygen
  • Extinguishing of  fire
  • Staving
  • Smothering
  • Cooling
  • Extinguishing fires
  • Fuel
  • Extinguishing
  • Type of fire extinguishers
  • Water – filled extinguishers
  • Foam extinguishers
  • Dry  powder extinguishers
  • Carbon dioxide (CO2)
  • Halon extinguishers

Measuring tools

  • Steel rule
  • The Rule(steel)
  • Collapsible Carpenter’s rule (Zig-zag)
  • Folding Rule
  • Types of Calipers
  • Types of joints
  • Firm join Calipers
  • Spring joint Calipers
  • Type of Legs
  • Carpenter’s pencil
  • Marking gauge
  • Construction
  • Mortise gauge
  • Dividers
  • Wing compass
  • Marking tools
  • Scriber
  • Testing tools
  • Combination set

Kinds of saws

  • Handsaws
  • Types of saw
  • Straight cutting saw
  • Curve cutting saw
  • Rip saw (Fig 1)
  • Cross cut saw (Fig 2)
  • Hand saw (Fig 3)
  • Tenon saw (Fig 4)
  • Dove tail saw (Fig 5)
  • Setting and sharpening of saw
  • Topping or jointing of saw teeth (Fig 1)
  • Re-shaping(Fig 2)
  • Compass saw (Fig 6)
  • Setting (Fig 3)
  • Planes
  • Carpenter’s work bench
  • Carpenters’ vice
  • There are two types of vice
  • Precautions
  • The clawhammer
  • Pincers
  • Screwdriver
  • Purpose of saw vice
  • Standard screwdriver
  • Standard screwdriver
  • Heavy duty screwdriver
  • Philips screwdriver
  • Offset screwdrivers
  • Specification
  • Precautions
  • Holding devices
  • Chisels commonly used in carpntry
  • Types OF CHISELS
  • The Mallet
  • Files and Rasps
  • Classification of files
  • The Brace (Plain & Ratchet)
  • Bits
  • Oil stone
  • Soft oil stones
  • Natural oil stones

Plywood

  • Manufacturing of ply wood
  • Advantages
  • USES OF PLYWOOD
  • Plywood grade
  • Classification of plywood for general purposes
  • Hard board
  • Thickness of plywood
  • Sizes of plywood Board (cm *cm)
  • Interior
  • Dimension
  • Indian Timbers
  • Babul
  • Mango
  • Glue
  • Bamboo
  • Advantages of timber
  • Presevation of timber
  • Necessity of preservation
  • Presevatives for external wood work

Classifications of timbers

  • Endogenous trees
  • Exogenous tree
  • Based upon module of elasticity
  • Grading of structural timber
  • Based upon availability
  • Durability
  • Moderate durability
  • Law durability
  • Seasoning characteristic
  • Moderately refractory
  • Non refractory

Growth of tree

  • The parts of a tree
  • True wood or duramen
  • Sap wood
  • Cambium layer
  • Annular ring
  • Bark
  • Medullary

Identification of timber

  • Colour
  • Smell
  • Hardness
  • Soft  to very soft
  • Density
  • Grain
  • Texture
  • Lusture
  • The punch card system as per

Defects in Timber

  • Causes
  • Common defects
  • Case hardening
  • Check
  • End check
  • Internal check
  • Surface check
  • Through check
  • Collapse
  • Bowing
  • Cupping
  • Spring
  • Twisted fibers
  • Warp
  • Upsets
  • Grain
  • Cross grain
  • Diagonal grain
  • Inter lock grain
  • Spiral grain
  • Wavy grain
  • Waney edge
  • Rind galls
  • Wind cracks
  • Knots
  • Loose or dead knot
  • Live or sound knot
  • Shakes
  • Heart shake
  • Star shake
  • Cup shake
  • Radial shake

Dieases in timber and Decay of timber

  • Dry rot
  • Wet rot
  • Decay
  • Pinhole
  • Powder
  • Termite
  • Prevention of fungal diseases
  • Remedies for fungal attacks
  • Insect attack
  • Beetles
  • Prevention of beetal attacks
  • Remedy for beetal attacks
  • Remedies for termites attacks
  • Decay of timber
  • Dry rot
  • Wet rot
  • Decay
  • Pinhole borers
  • Powder post beetles
  • Termite or white ants
  • Prevention of fungal diseases
  • Remedies for fungal
  • Remedy for beetal
  • Termites
  • Person f termits attack

Conversion of timber

  • Live sawing/flat slice cut)
  • Back sawing/tangential cut/slash cut.
  • Quarter sawing/ radial cut
  • Tangential swing
  • Disadvantages
  • Advantages
  • Disadvantage

Seasoning of timber

  • Advantages of seasoning
  • Methods of seasoning
  • Natural seasoning
  • Water seasoning:
  • Advantages
  • Disadvantages:
  • Ari-drying:
  • Progressive kiln:
  • Determination of moisture content:
  • Kiln seasoning or kiln drying
  • Compartment kiln:s

Apply for Certification

https://www.vskills.in/certification/Vskills-Certified-Junior-Carpenter