Welding
G3N tutors you through the full CTVET Welding syllabus offline — from Safety in the welding work shop, Introduction to Fabrication of structural work, Production of Ferrous metals and more — with adaptive lessons, instant quizzes and exam-ready summaries.
Syllabus
What you’ll cover in Welding.
The complete topic outline G3N teaches, mapped to the CTVET curriculum.
Form 1 (Grade 10)
10 topicsSafety in the welding work shop
- Demonstrate knowledge of personal safety in the welding workshop
- Explain personal safety in the welding workshop.
- Identify Personal Protective Equipment (PPEs).
- State uses of Personal Protective Equipment (PPEs)
- Explain the use of accidents record book in the workshop
- State ways of observing personal hygiene
- Demonstrate knowledge of first aid in the workshop
- Define First Aid
- Identify first aid materials
- Describe how to store first aid materials properly
- State first aid in the workshop
- Demonstrate knowledge of treatment of injuries in the workshop
- Describe how to treat burns.
- Describe how to treat arc eye.
- Describe how to handle victims of electrical shock.
- Describe how to handle cuts and bleeding.
- Describe how to handle bone fracture
- Demonstrate knowledge of safety rules and regulations in the welding workshop
- Identify safety symbols in the welding workshop
- State safety rules to prevent injury to other persons in the workshop
- Explain how to avoid damage to tools and equipment
- Explain safety regulations to prevent damage to the welding environment
- Demonstrate knowledge of environmental safety
- Describe how to control hazardous substances (PNDCL 275, Labour ACT, 2003 (ACT 651).)
- Explain how to dispose of waste
- Describe how to provide adequate ventilation in the welding environment
- Explain adequate lighting in the working environment
Introduction to Fabrication of structural work
- Demonstrate knowledge of various forms and shapes of metals
- State the shapes and members of metals used in structural work
- Outline the standards used in structural work
- State the codes used in structural work
- Explain the uses of forms and shapes of metals for structural work
- Shapes: Square pipes, angle bars, circular pipes, rectangular. U channel, H Channel
- Members: Beams, columns, rafters, purlins, tiers
- Tools: Steel rule, tape measure, try square, odd leg calipers, centre punch,
- dot punch, scriber, angle grinder, hand and pillar drill, and power squaring shears, pedestal grinding, guillotine, round
- Demonstrate skills in measuring and marking out of metals
- Identify measuring and marking out tools
- Describe uses of measuring and marking out tools
- Select suitable measuring and marking out tools for given tasks
- Measure and mark out the work piece
- Keep record of all measurements taken
- Demonstrate skills in using templates for marking out
- Select suitable material for making templates.
- Develop and label templates for marking out work pieces
- Illustrate the use of template for marking out
- Keep template safely
- Demonstrate skills in cutting and inspection of components part
- Identify cutting tools for metals
- Set work piece for cutting
- Cut the work piece to the required dimension
- Clean and inspect components
- Observe safety rules and regulations
Production of Ferrous metals
- Demonstrate knowledge of the production of Ferrous metal
- State the raw materials for production of ferrous metals
- State types of furnaces used for various ferrous metal
- Explain the processes of producing ferrous metals
- Describe types of furnaces for producing ferrous metals
- Demonstrate knowledge of the properties of metals
- Explain properties of metals
- Describe effect of heat on the properties of metals
- State the effects of alloying elements on metals
- Demonstrate knowledge of metal identification
- State methods of identifying metals.
- Describe methods of identifying metal
- State the purpose of identifying metals
Heat treatment of metals
- Demonstrate knowledge of heat treatment processes
- Explain the concept of heat treatment
- State heat treatment processes
- Explain the application of heat treatment processes
- Describe how to carry out types of treatment processes
- State the cooling media for heat treatment processes
- Demonstrate skills in testing mechanical properties of metals
- Test for Hardness
- Test for Ductility
- Test for Malleability
- Test for tensile strength
- Adhere to health and safety practices
- Demonstrate skill in performing heat treatment
- Select the appropriate heat treatment methods for given application
- Select the appropriate heat treatment equipment for the methods
- Heat the material to the required temperatures for the methods
- Cool the material
- Observe safety rules and regulations
Metal work tools and equipment
- Demonstrate knowledge of metal work tools
- State types of metal work tools
- Explain uses of the types of metal work tools
- Explain how to care for metal work tools
- Describe how to carry out maintenance on metal work tools
- Demonstrate knowledge of metal work equipment
- State equipment for metal work
- Describe types of metal work equipment
- Explain uses of the types of metal work equipment
- Demonstrate skills in using metal work tools
- Carry out labelling and sorting of metal work tools.
- Select the appropriate metal work tools for a given task
- Use the selected tool to carry out the given task
- Observe safety rules and regulations
- Demonstrate skills in using metal work equipment
- Select the appropriate metal work equipment for a given Task
- Assemble the parts of the metal work equipment
- Use the selected equipment to carry out the given task
- Observe safety rules and regulations
Introduction to oxy-fuel Gas welding (31)
- Demonstrate knowledge of oxy–fuel Gas welding (31)
- Explain how heat is generated for Oxy – fuel gas welding
- Explain the Low- and High-pressure systems of oxy – acetylene welding
- State the functions of the parts of the high-pressure system
- State the functions of the parts of the low-pressure system
- Demonstrate skill in setting up the high-pressure system
- Assemble the high-pressure system
- Test all important connections for leakages
- State the applications of the three welding flames
- Set the three welding flames
- Observe health and safety rules and regulations in oxy – fuel cutting
- Demonstrate skill in using the leftward welding technique
- Explain the leftward and rightward welding techniques
- Prepare work piece for welding
- Select the suitable flame for welding
- Practice laying of straight beads
- Carry out edge preparation of square butt joint for welding on 2mm LCS plate
- Perform welding on 2mm LCS plate in the flat position
Welding Electrodes (BS 639, AWS A5 1 81, ISO 1071)
- Demonstrate knowledge of welding electrodes
- Describe a welding electrode
- Explain the functions of the core wire
- State the functions of the flux coating
- Distinguish between consumable electrodes and non-consumable electrodes
- Demonstrate knowledge in the classification of welding electrodes by the British Standard (BS)
- Explain electrode classification according to BS 639
- Identify elements in the classification of the general code in BS 639
- Explain the additional coding in the BS 639
- Decode electrodes classified according to BS 639
- Demonstrate knowledge in the classification of welding electrodes by the American Welding Society
- Explain electrode classification according to AWS A5 1 81.
- Identify the elements classified in the first two digits of the AWS A5 1 81 code
- Explain the information provided in the last two digits of the AWS A5 1 81
- Decode electrodes classified according to ANSI / AWS A5 1 81
- Demonstrate knowledge of the classification of welding electrodes by the International Standard Organisation
- Explain electrode classification according to ISO 1071
- Identify the elements classified in the first part of the ISO 1071 code
- Describe the information provided in the second part of the ISO 1071 code
- Describe the information provided in the third part of the ISO 1071 code
- Explain the information provided in the fourth part of the ISO 1071 code
- Decode electrodes classified according to ISO 1071
- Demonstrate knowledge of Electrode selection
- Explain types of electrodes
- Calculate electrode efficiency
- Explain factors in selecting electrodes
- Identify electrodes for given materials
Welding of low carbon steel Plates with Manual Metal Arc (MMA- 111)
- Demonstrate knowledge of Manual metal Arc welding process
- Describe Manual metal arc welding process
- Explain applications of Manual Metal Arc welding process
- State advantages of Manual Metal Arc welding process
- State disadvantages of Manual metal arc welding process
- Demonstrate skills in setting up manual metal arc welding equipment
- Identify manual metal arc welding equipment
- State uses of Manual Metal Arc welding equipment
- Assemble Manual Metal Arc welding machine and accessories
- Connect Manual Metal Arc welding machine to electrical power source
- Observe health and safety rules and regulations
- Demonstrate skills in laying of beads
- Prepare work piece for welding.
- Select suitable electrodes for welding
- Select suitable current for welding
- Establish and maintain arc
- Practice laying of straight beads
- Practice breaking and restarting an arc while observing health and safety
- Demonstrate skills in Butt joint (1G)
- Prepare square butt edge on 3mm LCS
- Set up and tack weld piece together
- Weld square butt joint in the flat position (1G)
- Carry out single V edge preparation on 6mm LCS
- Weld in a single V butt joint (1G)
- Observe health and safety rules and regulations
- Demonstrate skills in fillet weld joints (1F)
- Prepare edge for T – fillet on a 6mm LCS
- Weld the T – fillet joint in the flat position (1F)
- Weld lap joint in the flat position (1F)
- Weld open corner joints in the flat position on 6mm LCS
- Weld close corner joints on a single bevel joint in the flat position
- Observe health and safety rules and regulations
Welding of low carbon steel plates with Manual Metal Arc (MMA - 111) process at various positions
- Demonstrate skills of welding in the horizontal position (2G and 2F)
- Carry out edge preparation on a 6mm LCS for a single bevel joint
- Select appropriate electrode for welding in the horizontal position
- Select appropriate current for welding in the horizontal position
- Perform butt welding at the horizontal position (2G).
- Perform a weld on corner joints at horizontal position (2F)
- Observe health and safety rules and regulations
- Demonstrate skills of welding in the vertical position (3G)
- Carry out edge preparation on a 10mm LCS for a single Vee joint.
- Select appropriate electrode for welding in the vertical position
- Select appropriate current for welding in the vertical position
- Perform butt welding on 10mm LCS using vertical downward position (3G)
- Perform butt welding on 10mm LCS using vertical upward position (3G)
- Observe health and safety rules and regulations
- Demonstrate skills of welding in the vertical position (3F)
- Carry out edge preparation on a 6mm LCS for a fillet joint.
- Select appropriate electrode for welding in the vertical position
- Select appropriate current for welding in the vertical position
- Perform welding on 6mm LCS (corner joint) in vertical downward position (3F)
- Perform welding on 10mm LCS T – fillet joint in vertical upward position (3F)
- Observe health and safety rules and regulations
- Demonstrate skills in welding in overhead position (4G 4F)
- Identify safety equipment used in welding at overhead position
- Select appropriate electrode for welding in the overhead position
- Select appropriate current for welding in the overhead position
- Perform welding on 6mm LCS butt joint in overhead position(4G)
- Perform welding on 10mm LCS T – fillet joint in overhead position(4F)
Welding of Low Carbon Steel plates with Gas Metal Arc Welding process (GMAW-135)
- Demonstrate knowledge of Gas Metal Arc Welding process
- Explain Gas Metal Arc Welding process (GMAW-135)
- Describe the tools and equipment used in Gas Metal Arc Welding process (GMAW-135)
- State the type of Gases used for Gas Metal Arc Welding process (GMAW-135).
- State the current suitable for Gas Metal Arc Welding process
- Demonstrate skills in setting up of GMAW-135 welding equipment
- Identify the equipment for GMAW-135
- Assemble equipment for GMAW-135
- Set the appropriate parameters for metal transfer modes
- Maintain equipment for GMAW-135)
- Observe health and safety rules and regulations
- Demonstrate skills in performing welding with GMAW-135
- Prepare work piece for welding.
- Practice laying of straight beads
- Prepare square butt edge on 3mm LCS
- Set up and tack work piece together
- Weld square butt joint in the flat position (1G)
- Observe health and safety rules and regulations
- Demonstrate skills in welding with a GMAW 135 in vertical position
- Carry out edge preparation on a 6mm LCS for a fillet joint
- Select the appropriate parameters for welding at vertical position
- Perform welding on 6mm LCS (corner joint) in vertical upward position (3F)
- Perform welding on 6mm LCS butt joint in vertical upward position (3G)
- Observe health and safety rules and regulations
Form 2 (Grade 11)
9 topicsDrawing geometrical figures
- Demonstrate knowledge of drawing instruments
- Identify instruments for drawing
- Explain uses of drawing instruments
- Describe care and maintenance of drawing instruments
- Demonstrate skills in setting outlines and lettering
- Explain the functions of lines in drawing
- Set out drawing sheet for drawing
- Draw lines on the drawing paper
- Perform lettering on the drawing
- Demonstrate skills in constructing angles
- Identify types of angles in geometrical drawing.
- Construct angles with the drawing instrument
- Bisect angles with the drawing instrument
- Trisect angle with the drawing instrument
- Demonstrate skills in constructing plane figures
- Explain types of plane figures
- Classify plane figures in technical drawing
- Construct plane figures in technical drawing
- Clean drawing instruments after use
- Demonstrate skills in constructing three-dimensional drawing. (In accordance with ISO 7093)
- Distinguish between isometric and oblique drawing
- Construct simple 3D drawings in isometric projection
- Construct simple 3D drawings in oblique projection
- Draw in the first angle projection.
- Draw in the third angle projection
Welding drawing (ISO 129, 128, 7083)
- Demonstrate knowledge of welding symbols
- Identify symbols in welding
- Interpret symbols in welding
- State the use of welding symbols
- Indicate symbols on a welded joint
- Demonstrate skills in sketching welded joints
- Sketch pictorial views of butt joints
- Sketch pictorial views of fillet joint
- Sketch pictorial views of lap joint
- Label welded joints
- Demonstrate skills in developing shapes of objects
- Identify types of surface developments.
- Draw cylindrical objects
- Draw conical objects
- Draw surface development of prisms
Weld Defects and distortions (ISO/TS 17845, ISO 6520)
- Demonstrate knowledge of weld defects
- State possible defects in a weld
- Explain types weld defects
- Sketch weld defects
- State the causes of weld defects
- Explain how to prevent weld defect
- Demonstrate knowledge of distortion in welding
- Explain distortion in welding
- State different types of distortion in welding
- State factors that cause distortion in welding
- Outline methods to minimize distortion
- Demonstrate skills in controlling distortion in ferrous metals
- Sketch types of distortion in welding
- Describe methods of controlling distortion in ferrous metals
- Control distortion when welding ferrous metals
- Remedy distortion after welding ferrous metals
- Demonstrate knowledge in controlling distortion in aluminum
- State factors that influence distortion in welding aluminum
- Explain the effect of heat flow in controlling distortion
- Describe methods of controlling distortion in aluminum
- Describe post welding treatment of aluminum to control distortion
Introduction to Gas Tungsten Arc Welding (GTAW- 141) process of carbon steels
- Demonstrate knowledge of Gas Tungsten Arc Welding (GTAW- 141) process
- Explain the principle of Gas Tungsten Arc Welding (GTAW- 141)
- Explain the process of GTAW
- Describe the application of GTAW
- List equipment of GTAW process
- Demonstrate knowledge in GTAW- 141 of welding carbon steels
- State the type of gases used for GTAW welding process tools
- Explain how to select current for welding carbon steels
- Explain the type of Tungsten electrodes used in GTAW welding of carbon steels
- State advantages of GTAW process
- State limitations of GTAW process
- Demonstrate skills in GTAW-141 process on carbon steels
- Assemble equipment for GTAW process
- Prepare low carbon steels work piece for GTAW
- Prepare tungsten electrodes and filler rod for low carbon steels
- Adjust suitable gas pressure and the current for welding
- Weld low carbon steel plates with GTAW process
- Observe health and safety rules and regulations
AC and DC power Sources for welding
- Demonstrate knowledge of basic electricity
- State the safety measures when using electrical equipment
- State the uses of conductors, insulators and resistors
- Explain electrical circuit, voltage and current in power generation
- Explain sources of electrical power for welding
- Demonstrate knowledge of the generation of AC and DC power
- Explain principle of power generation
- State the effect of magnetic field around conductors carrying power
- Describe simple electromagnetic induction
- Explain principle of power generation
- Demonstrate knowledge of DC welding Generator
- Explain the working principles of a DC Generator.
- State the types of DC generators
- State heat distribution of the DC generator
- State advantages and disadvantages of the DC generator
- Demonstrate knowledge of AC welding transformer
- Explain working principles of AC welding transformer
- State types of AC welding transformers
- State heat distribution of the AC welding transformer
- State advantages and disadvantages of an AC welding transformer
- Demonstrate knowledge in calculating electrical values
- Calculate values for electrical current
- Calculate values for voltage drop in welding circuits
- Calculate values for electrical resistance
- Calculate values for electrical power
Design and Manufacture of Tanks and Containers
- Demonstrate knowledge in constructing tanks
- Identify type of tanks for specified purposes
- State type of material to be used for fabricating tanks and containers
- List tools and equipment for fabricating tanks and containers
- Outline techniques in constructing tanks
- Demonstrate skills in rolling and bending
- Explain the process of rolling sheet metal parts with the three-roll rounding machine
- Describe the process of bending and edging sheets with the folding machine and the bending press
- Mark out 2mm LCS large sheet metal using appropriate measuring and marking tools
- Cut sheet metals to size for rolling
- Roll and bend sheet metal parts according to specifications
- Observe health and safety rules and regulations
- Demonstrate skills in fabricating a container with MMA welding
- Prepare 2mm LCS material for arc welding
- Select suitable electrodes and current for welding
- Set and tack parts to be welded
- Weld parts as recommended
- Observe safety when welding in confined space
- Demonstrate skills in finishing work
- Clean the work piece before inspection
- Inspect the work piece for any defects
- Rectify the defects in the weld
- Finish the work piece and apply coating
Welding of Low Carbon Steel plates with Gas Metal Arc Welding process (GMAW-135)
- Demonstrate knowledge in forging operations
- Explain forging process
- State areas where forging is applicable
- Describe forging procedure
- Identify personal protective equipment for forging
- Demonstrate skills in preparing equipment for forging
- Describe the use of tools and equipment for forging
- Select tools and equipment for forging
- Select quenching medium for forging
- Set up fire for forging
- Demonstrate skills in forging operations
- Select materials for forging.
- Prepare materials to be forged
- Forge materials to required design following procedure
- Carry out cooling of forged materials
- Observe health and safety rules and regulations
Introduction to Pipe fitting
- Demonstrate knowledge of pipe fitting
- Describe pipe fitting processes
- State situations which require pipe fitting
- Identify tools and equipment for pipe fitting
- State types of pipe fitting joints
- Demonstrate skills in preparing materials for pipe fitting
- Select equipment for pipe fitting
- Assemble equipment for pipe fitting
- Bend pipes to correct angle
- Adhere to safety rules and regulations
- Demonstrate skills in performing pipe fitting
- Identify pipe flanges.
- Select flanges to fit the pipe
- Use appropriate tool to align flanges
- Attach flanges to the pipe by welding
- Demonstrate skills in finishing work
- Clean the work piece before inspection
- Inspect the work piece for any defects
- Rectify defects in the weld
- Apply coating to work piece
Cutting with Air Carbon Arc process
- Demonstrate knowledge of equipment used for cutting
- Describe Air Carbon Arc Cutting process
- Identify Air Carbon Arc Cutting equipment
- Describe electrode for Air Carbon Arc Cutting
- State source of air supply for Air Carbon Arc Cutting
- State advantages of Air Carbon Arc Cutting
- Demonstrate skills in assembling cutting equipment
- Select equipment for Air Carbon Arc Cutting
- Select suitable source of power for Air Carbon Arc Cutting
- Assemble equipment for Air Carbon Arc Cutting
- Adhere to safety rules and regulations
- Demonstrate skills in performing Air Carbon Arc Cutting operation
- Select appropriate carbon electrode for cutting.
- Select suitable current for Air Carbon Arc Cutting
- Adjust suitable air pressure for cutting
- Cut metal with the Air Carbon Arc cutting process
- Observe health and safety rules and regulations
Form 3 (Grade 12)
17 topicsHealth, Safety and Environmental
- Demonstrate knowledge in Health, Safety and Environmental rules
- State the uses of Personal Protective Equipment (PPE) on site
- Identify safety signs and symbols when working on site
- State safety rules when working at heights
- Outline causes of pollution on site
- Demonstrate knowledge of safety in repairing tanks
- Outline safety measures to be taken when repairing tanks
- State the types of tanks that are repair welded
- Describe degreasing in metals
- Describe degreasing processes
- State safety measures to be taken when degreasing
- Demonstrate skills in operating firefighting equipment
- Describe elements and classes of fire
- Describe types of fire extinguishers and their applications
- Select suitable fire extinguishers for classes of fire
- Operate fire extinguisher for classes of fire
- Observe health and safety rules for firefighting
- Demonstrate knowledge of the effects of welding fumes
- Define welding fumes
- Describe the types of welding fumes
- State the effect of welding fumes
- Explain fumes control in workshop
Fabrication Processes
- Demonstrate knowledge of metals for fabrication
- Outline the composition of types of metals
- State the functions of alloying elements in types of metals
- Explain the properties of metals
- State the shapes and forms in which metals are supplied commercially
- Demonstrate skills in operating cutting tools and equipment
- State the types of machines used for cutting in fabrication
- Cut metals with guillotines
- Cut metal with shears
- Cut metal with saw
- Drill hole with drilling machines to specific sizes
- Observe health and safety rules when operating cutting tools and equipment
- Demonstrate skills in forming processes
- Identify types of machines for forming
- Outline methods of forming
- Set up machine for forming
- Calculate allowances for forming
- Operate machine to form components to specified shapes
- Observe safety when using forming tools and equipment
- Demonstrate skills in assembling structures using bolts and nuts
- Identify the types of bolts and nuts for structural works
- Classify threads according to BSPT & BSPP, ISO - 724 and ANSI B1.1
- Drill holes according to the size of bolts
- Assemble parts using bolts and nuts
- Check alignment
- Observe safety when using drilling tools
- Demonstrate skills in assembling structures using rivets
- Identify the types of rivets used for structural works
- State the application of the types of rivets
- Calculate rivets length and size according to the thickness of the material to be joined
- Rivets the material together
- Check alignment and defects on riveted works
- Observe safety during riveting
Classification of Welding Processes
- Demonstrate knowledge of fusion welding processes
- Distinguish between fusion welding and non-fusion welding
- Explain the basic principles of fusion welding processes
- Distinguish between fusion welding and solid-state welding
- State the applications of fusion welding processes
- State the advantages of fusion welding process
- Demonstrate knowledge of non-fusion welding processes
- Explain the basic principles of non-fusion welding processes
- State types of non-fusion welding processes
- State the applications of non-fusion welding processes
- State the advantages of non-fusion welding process
- Demonstrate knowledge of pressure welding processes
- Explain basic principles of pressure welding processes.
- State examples of pressure welding processes
- State the applications of solid-state pressure welding processes
- State the advantages of pressure welding process
Welding of Low Carbon Steel (LCS) Pipes with Manual Metal Arc Welding (111) Process
- Demonstrate knowledge of steel pipes
- Describe steel pipes
- Identify types of steel pipes
- State the uses of steel pipes
- Explain how to store steel pipes
- Explain the advantages of welding pipe
- Demonstrate skills in preparing and setting out pipes for Welding
- Measure steel pipes for cutting
- Cut and prepare pipes for welding
- Select suitable electrodes for welding pipes
- Select suitable current for welding pipes
- Set and tack pipes for welding
- Observe health and safety rules and regulations
- Demonstrate skills in n welding LCS pipes in 1G position
- Lay first bead and clean
- Lay subsequent beads for fusion
- Inspect welds for defects
- Rectify defects in weld
- Observe appropriate health and safety rules and regulations
Welding of low carbon steel pipes with Manual Metal Arc (MMA - 111) process at various positions
- Demonstrate skills in welding LCS pipes in the 2G position
- Carry out edge preparation on a 10mm (wall thickness) LCS pipe for a single Vee butt joint
- Select electrode for welding in the 2G
- Select current for welding in 2G position
- Perform butt welding in 2G position
- Observe health and safety rules and regulations
- Demonstrate skills of welding in (5G) position
- Carry out edge preparation on a 10mm (wall thickness) LCS pipe for a single Vee butt joint
- Select electrode for welding in 5G position
- Select current for welding in 5G position
- Perform butt welding on 10mm (wall thickness) LCS pipe in (5G) position
- Observe health and safety rules and regulations
- Demonstrate skills of welding in the 6G position
- Carry out edge preparation on a 10mm wall thickness LCS pipe for a single Vee butt joint.
- Select electrode for welding in the 6G position
- Select current for welding in the 6G position
- Perform welding on a 10mm wall thickness LCS pipe in the 6G position
- Observe health and safety rules and regulations
- Demonstrate skills in welding flange to pipe
- Carry out edge preparation on a 10mm wall thickness LCS pipe and a 5mm plate (set on branch)
- Select the electrode and current
- Perform welding at the down hand position (2F).
- Perform welding with the pipe axis at the x axis (rotated) (3F)
- Perform welding with the pipe axis fixed at the x axis (5F)
- Observe health and safety rules and regulations
Drawing in Welding & Fabrication II
- Demonstrate skills in sketching welded joints
- Sketch pictorial views of welded joints
- Sketch sectional views of welded joints
- Draw orthographic views of welded joints
- Label parts of welded joints
- Demonstrate knowledge of pictorial views of objects
- Draw views of objects
- Convert pictorial drawings to orthographic projection
- Indicate weld symbols on drawing
- Covert orthographic to pictorial drawings
- Demonstrate knowledge in reading working drawings
- Identify types of welding symbols on working drawings
- Interpret welding symbols with 3-dimensional drawing
- Interpret welding symbols with 2-dimensional drawing
- Interpret working drawing in relation to welding
- Demonstrate skills in parallel line development
- Identify types of objects to be developed by parallel line surface developments
- Draw true shapes of cut surfaces of objects
- Develop surfaces of objects cut by inclined cutting plane
- Draw the curve of intersection of pipes of equal diameters
- Draw the true shape of holes of intersecting pipes
- Demonstrate skills in radial line development
- Identify types of objects to be developed by radial line surface developments
- Draw the sectional plan of the object
- Draw true shapes of cut objects
- Develop surfaces of objects cut by inclined cutting plane
- Demonstrate skills in sketching welded joints
- Sketch pictorial views of welded joints
- Sketch sectional views of welded joints
- Draw orthographic views of welded joints
- Label parts of welded joints
- Demonstrate understanding of pictorial views of objects
- Draw various views of objects
- Convert pictorial drawings to orthographic projection
- Indicate the appropriate weld symbols on drawing
- Covert orthographic to pictorial drawings
- Demonstrate understanding in reading working drawings
- Identify types of welding symbols on working drawings.
- Interpret welding symbols with 3-dimensional drawing
- Interpret welding symbols with 2-dimensional drawing
- Interpret working drawing in relation to welding
- Demonstrate skills in parallel line development
- Identify types of objects to be developed by parallel line surface developments of objects
- Draw true shapes of cut surfaces of objects
- Develop surfaces of objects cut by inclined cutting plane
- Draw the curve of intersection of pipes of equal diameters
- Draw the true shape of holes of intersecting pipes
- Demonstrate radial line development skills
- Identify types of objects to be developed by radial line surface developments
- Draw the sectional plan of the object
- Draw true shapes of cut objects
- Develop surfaces of objects cut by inclined cutting plane
Non fusion welding processes
- Demonstrate knowledge in non-fusion welding
- Explain the various types of non-fusion welding
- State application of the various type of non-fusion welding
- State the Advantages of non-fusion welding
- State the Disadvantages of non – fusion welding
- Demonstrate skills in soldering
- State the composition of solder
- State types of soldering
- State the application of the various fluxes used in soldering
- Prepare workpiece for soldering using the various joints
- Perform soldering on the sheet metal while observing safety rules
- Demonstrate skills in Brazing
- Identify the various type of filler rod.
- State the application of the various fluxes used in brazing
- Prepare workpiece for brazing using the various joints
- Perform brazing on sheet metal while observing safety rules
- Clean workpiece after soldering
- Demonstrate skills in bronze welding of cast iron
- Identify the various type of bronze welding filler rods
- State the functions of flux in bronze welding of cast iron
- Prepare workpiece for bronze welding of cast iron
- Set the correct flame for bronze welding of cast iron
- Perform bronze welding on cast iron while observing safety rules
- Clean workpiece after bronze welding
Welding of Aluminium with Gas Metal Arc Welding (GMAW-135) Process
Welding of Aluminum with Gas Metal Arc Welding (GMAW-135) Process
- Demonstrate knowledge in welding aluminum
- Describe the principles of GMAW process of aluminum
- State the types of joint preparation of GMAW process of aluminum
- State the advantages of GMAW process of aluminum
- State the disadvantages of GMAW process of aluminum
- Demonstrate skills in preparing for aluminum welding
- Assemble equipment for GMAW welding of aluminum plates
- Select suitable wire spool for GMAW process of aluminum plates
- Adjust correct gas flow rate for GMAW process of aluminum
- Set the suitable wire feed speed
- Demonstrate skills in welding aluminum plates
- Set suitable parameters for GMAW process of 2mm aluminum plates
- Set and tack aluminum plates for alignment with GMAW process
- Weld aluminum plates with GMAW in 1G
- Clean weld surface
- Observe health and safety rules in GMAW
- Demonstrate skills of welding flange to pipe
- Carry out edge preparation on a 6mm wall thickness aluminum pipe and a 3mm plate for a single bevel
- Select welding parameters
- Perform welding in the down hand position (2F)
- Perform welding with the pipe axis at the x axis (rotated) (3F)
- Perform welding with the pipe axis fixed at the x axis (5F)
- Observe health and safety rules and regulations
Welding of stainless-steel Pipes with Gas Tungsten Arc Welding (GTAW-141) Process
- Demonstrate knowledge in welding stainless steel pipes
- Describe the process of GTAW of stainless steel
- State the types of shielding gases used in GTAW of
- stainless steel
- Select filler rod for GTAW of stainless-steel pipes
- Select electrode size for GTAW of stainless-steel pipes
- State the advantages of GTAW of stainless-steel pipes
- State the disadvantages of GTAW of stainless-steel pipes
- Demonstrate skills in preparing for GTAW of Stainless-steel pipes
- Assemble GTAW equipment for welding stainless steel pipes
- Select filler rod
- Adjust parameters for GTAW process
- Observe health and safety rules in GTAW
- Demonstrate skills in welding stainless steel pipes in 2G position
- Carry out edge preparation on a 3mm (wall thickness) stainless steel pipe for a square butt joint
- Select parameters for welding in 2G position
- Perform butt welding in 2G position
- Observe health and safety rules and regulations
- Demonstrate skills of welding in the 5G position
- Carry out edge preparation on a 6mm (wall thickness) stainless steel pipe for a single Vee butt joint
- Select appropriate parameters for welding in the vertical position (5G)
- Perform butt welding on 6mm (wall thickness) stainless steel pipe in the vertical position (5G)
- Observe appropriate health and safety rules and regulations
- Demonstrate skills of welding in the 6G position
- Carry out edge preparation on a 6mm wall thickness stainless steel pipe for a single Vee butt joint
- Select parameters for welding in the 6G position
- Perform welding on a 6mm wall thickness stainless steel pipe in the 6G position
- Observe health and safety rules and regulations
- Demonstrate skills of welding flange to pipe
- Carry out edge preparation on a 6mm wall thickness stainless steel pipe and a 5mm plate for a single bevel
- Select appropriate welding parameters
- Perform welding in the down hand position (2F)
- Perform welding with the pipe axis at the x axis (rotated) (3F)
- Perform welding with the pipe axis fixed at the x axis (5F)
- Observe appropriate health and safety rules and regulations
Surfacing
- Demonstrate knowledge of Surfacing
- Explain building up
- Explain hard surfacing of parts
- Identify types of wear
- Identify types of electrodes for hard surfacing
- Explain the advantages of hard surfacing
- Demonstrate skills in performing Building up
- Prepare worn out parts for building up
- Select suitable electrode for building up worn out surfaces
- Select current for building up worn out surfaces with MMA
- Perform building up operation with manual metal arc welding
- Clean weld after building up worn out surfaces
- Observe health and safety rules in building up worn out surfaces with MMA
- Demonstrate skills in hard surfacing
- Prepare plates for hard surfacing with manual metal arc welding
- Select electrode for hard surfacing
- Select the current for hard surfacing
- Perform hard surfacing with manual metal arc welding
- Clean the work piece after hard surfacing
- Observe health and safety rules in hard surfacing
- Demonstrate skills in stelliting
- Explain the composition of stellites
- Prepare materials for stelliting
- Set the correct oxy-acetylene flame for stelliting
- Deposit stellite material
- Clean work after stelliting
- Observe safety while performing Stelliting
Oxy-Fuel Gas Cutting and Gouging
- Demonstrate knowledge in gas cutting
- Explain the principles of oxy-fuel gas cutting
- State types of gases for cutting
- State the equipment used for Oxy – fuel gas cutting
- Explain the applications of Oxy – fuel gas cutting
- Demonstrate skills in performing gas cutting with manual torch
- Assemble equipment for oxy-fuel gas cutting
- Mark out low carbon steel plate to required dimension
- Set flame for oxy-fuel gas cutting
- Cut 10mm plate to required dimensions and shape with oxy-fuel gas
- Cut stack material to required dimensions and shape with oxy-fuel gas
- Observe health and safety rules and regulations in oxy-fuel gas cutting
- Demonstrate knowledge of flame gouging
- Describe the principle of oxy-fuel flame gouging
- Describe the types of gouging nozzles
- Explain the gouging techniques
- State the applications of gouging
- Demonstrate skills in performing flame gouging
- Fix the suitable gouging nozzle
- Set suitable flame for gouging
- Perform gouging with the spot technique
- Perform gouging with progressive technique
- Observe health and safety rules for gouging
- Demonstrate knowledge of examining quality of cut edge
- Identify qualities of a good cut edge
- Identify defects on cut edge
- State the causes of defects on cut edge
- Explain how defects can be avoided in cutting
Welding of Cast Iron parts with Manual Metal Arc Welding (111) Process
- Demonstrate knowledge of cast iron
- State the types of cast Iron
- Distinguish between the types of cast iron
- State the effect of carbon on the property of cast iron and steel
- Classify steel according to the carbon content
- Explain the challenges associated with welding cast Iron
- State the preventive measures for the challenges associated with the welding cast irons
- Demonstrate knowledge of cast iron welding electrodes
- State the types of electrodes used in welding cast iron
- Select suitable electrodes for machinable and non-machinable cast irons
- Explain buttering techniques in welding of cast irons
- Explain carbon pick up
- Demonstrate skills in welding cast irons without preheating
- Prepare cast iron for welding.
- Select suitable current
- Performing welding on cast iron without preheating
- Perform peening on cast iron after welding
- Observe health and safety rules while welding
- Demonstrate Skill in welding cast iron with preheating
- State the types of preheating methods
- Perform local preheating using welding torch
- Select suitable current
- Performing welding of cast iron
- Observe health and safety rules while welding
- Demonstrate skill in welding cast iron using studding technique
- Prepare cast iron by double Vee joint
- Tap holes for studs
- Weld around studs with ferritic electrode
- Complete the weld with non-ferrous electrodes
- Observe health and safety rules while welding
Welding of low carbon steels pipes with Gas Metal Arc Welding (GMAW-135) Process
- Demonstrate skills in welding LCS pipes in 2G position
- Carry out edge preparation on a 3mm (wall thickness) LCS pipe for a square butt joint
- Select parameters for welding in 2G position
- Perform butt welding in the 2G position
- Observe health and safety rules and regulations
- Demonstrate skills in welding in (5G) position
- Carry out edge preparation on a 6mm (wall thickness) LCS pipe for a single Vee butt joint
- Select parameters for welding in the (5G) position
- Perform butt welding on 6mm (wall thickness) LCS pipe in the 5G position
- Observe health and safety rules and regulations
- Demonstrate skills in welding in 6G position
- Carry out edge preparation on a 6mm wall thickness LCS pipe for a single Vee butt joint.
- Select parameters for welding in the 6G position
- Perform welding on a 6mm wall thickness LCS pipe in the 6G position
- Observe health and safety rules and regulations
- Demonstrate skills in welding flange to pipe
- Carry out edge preparation on a 6mm wall thickness LCS pipe and a 5mm plate for a single bevel
- Select welding parameters
- Perform welding at the down hand position (2F)
- Perform welding with the pipe axis at the x axis (rotated) (3F)
- Perform welding with the pipe axis fixed at the x axis (5F)
- Observe health and safety rules and regulations
Welding of Stainless-steel plates
- Demonstrate knowledge in welding Stainless Steel
- Describe types of stainless steel
- Explain the challenges associated with welding stainless steel
- Describe the methods of controlling defects and distortions in stainless steel welding
- Explain the methods of treating stainless steel after welding
- State the welding processes suitable for welding stainless steel
- Demonstrate skills in welding Stainless Steel (SS) with Manual Metal Arc Welding (111) process
- Prepare square butt edge on 3mm SS
- Set up and tack weld piece together
- Weld square butt joint in 1G position
- Carry out single V edge preparation on 6mm Stainless Steel
- Weld in a single V butt joint (1G)
- Observe health and safety rules and regulations
- Demonstrate skills in welding Stainless Steel with Gas Metal Arc Welding (135) process
- Setup welding machine with suitable gas.
- Setup parameters for the welding
- Prepare square butt edge on 3mm stainless steel plate
- Set up and tack work piece together
- Weld square butt joint in the flat 1G position
- Observe health and safety rules and regulations
- Demonstrate skill in welding stainless steel with Gas Tungsten Arc Welding (GTAW- 141) process
- Setup welding machine with suitable gas
- Setup parameters for welding
- Prepare square butt edge on 3mm stainless steel
- Set up and tack work piece together
- Weld square butt joint in the 1G position
- Observe health and safety rules and regulations
Welding of Aluminium plates with Gas Tungsten Arc Welding (GTAW- 141) process
- Demonstrate knowledge of welding aluminum plates
- Describe the principles of GTAW- 141 welding of aluminium plates
- State the types of gases used for GTAW- 141 welding of aluminium plates
- Outline the advantages of a GTAW- 141 welding of aluminium plates
- Outline the disadvantages of GTAW- 141 welding of aluminium plates
- Explain the difficulties associated with welding Aluminium
- Demonstrate skills in preparing for Aluminium GTAW 141 welding
- Prepare aluminium plates for GTAW- 141 welding
- Install GTAW- 141 welding accessories for welding aluminium
- Select Tungsten electrode for GTAW- 141 welding of aluminium
- Select suitable filler rod for GTAW- 141 welding of aluminium plates
- Demonstrate skills in welding aluminium
- Adjust correct gas flow rate for GTAW- 141 welding of aluminium plates.
- Select suitable current for GTAW- 141 welding of aluminium plates
- Set and tack aluminium plates for alignment for GTAW- 141 welding.
- Weld aluminium plates with GTAW- 141 welding without application of filler metal (autogenous)
- Weld aluminium plates with GTAW- 141 welding with application of filler metal (heterogeneous)
- Observe health and safety rules in GTAW- 141 welding of aluminium plates
- Demonstrate skills in welding aluminum casting
- Identify aluminum rods
- Prepare aluminium casting for welding
- Select suitable current for GTAW- 141 welding of aluminium casting
- Weld aluminium casting with GTAW- 141
- Observe health and safety rules in GTAW- 141 welding of aluminium
Managing a Welding Workshop
- Demonstrate knowledge in setting up a workshop
- Explain factors influencing the location of a welding workshop
- State the procedure for registering a new business
- Describe the type of building that is suitable for a welding workshop
- State advantages of the proximity of raw materials to the workshop
- Demonstrate knowledge in running a workshop
- Outline the importance of record keeping in a welding workshop
- State the importance of marketing a product
- State the importance for paying taxes
- Identify tax and revenue organizations in Ghana
- State the implication of evading tax in Ghana
- State the importance of maintaining a good customer relationship
- Demonstrate knowledge of shop layout and planning of work
- Explain a proper shop layout
- Draw a simple layout of a welding workshop
- Outline the means of mobilizing resources needed to setup a welding workshop
- List the resources needed to setup a welding workshop
- Demonstrate skills in 5S in the workspace (Japanese concept)
- Explain 5S
- Outline 5S concept
- Conduct 5S audit at the workspace
- Create 5S action plan
- Implement 5S at the workspace
- Evaluate 5S after implementation
How G3N helps
Turn this syllabus into a pass.
Generic subjects, covered
Guided lessons and quizzes for the mandated generic subjects every CTVET student takes.
Trade-aware support
Tutoring mapped to trade unit specifications, not generic web answers.
Practice that builds skill
Topic quizzes with explanations help competency-based learning stick.
Master Welding, offline.
No sign-up wall, no data plan required. Open G3N and go.