Spot Facing
Explain spot facing
Select appropriate tool for a given spot facing operation
Polishing
Explain the meaning and uses of polishing.
Identify different types of polishing and abrasive
Explain the two types of polishing.
Polish a given metal project
Buffing
Explain buffing as an element of finishing.
Identify different types of buffing wheels and compounds.
Buff a given metal article correctly
Casting Defects
List casting defects and their causes
Pattern Making
Describe three types of patterns
Explain the process of making a mould of one type of pattern
Explain the preparation of a sample sand core.
State the correct molding temperatures for casting
Cast a simple article
Materials and Equipments for Casting
List materials for casting
Sketch a typical casting mould
Principles of Casting
Define casting.
List different methods of casting.
Describe factors for selecting any method of casting.
Compare and contrast different casting methods
Elements of Design
Explain the functions of lines, shapes, mass, texture and colour in design.
State the different stages of project design.
Explain factors of selecting a type of design.
Design and draw
Principles of Design
Explain how balance, rhythm and emphasis can be achieved in metalwork design
Describe the principles of metalwork design
Explain reasons for change in design in metal work
Forging Tools and Equipments
Name the tools and equipment for forging operations;
Sketch common tools and equipment
Principles of Forging
Define forging in metalworking;
State the importance of forging;
State the different types of forging
Heat Treatment Processes
Explain the process of annealing, hardening, case hardening, normalizing, tempering. etc.
State and explain various temper colours and temperature ranges
Materials and Equipments
List the materials and equipment for heat treatment of metals
Describe gas fired, oil fired and electrical fired furnaces
Importance of Heat Treatment
State the importance of heat treatment of metals
Joints and Joining
Sketch joints used in sheet metal work
Join pieces of sheet metals.
Fasten sheet metals using self –tapping screws and rivets
Basic Fabrication Processes
Fold sheet metal to a given shape.
Form bowls by raising
Pattern Development and Cutting
Develop patterns of rectangular, cylindrical and conical forms.
Transfer pattern to sheet metal and cut.
Tools and Equipments
Identify, select and use appropriate tools and equipment
election of Materials
Identify the different sheet metals
Select the right sheet metal for a given job
Practical Project Work
State stages of Project works
Select the required material for projects
Carry out functional projects