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Educators' Guide for Pedagogy and Assessment

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Unit: 2. Using Engineering Tools and Materials

Engineering Technology

Learning Outcome: 1. I can understand the properties of different types of engineering materials and manufacturing processes.

1 I can describe the difference between metals.
Ferrous metals:
  • Material steel: e.g. mild steel, carbon steel; wrought iron;

Non-ferrous metals:
  • Material: e.g. aluminium; copper; lead;


  • Ferrous alloys: e.g. nickel; cast iron; stainless steel;

  • Non-ferrous alloys: e.g. brass; duralumin; solder.


  • Ferrous metals: e.g. contain iron; harder than non-ferrous material; rust;

  • Non-ferrous metals: e.g. can be used to protect ferrous materials; protection against elements; corrosion;

  • Alloys: e.g. mixture of ferrous and non-ferrous material; mixture according to industry needs.

2 I can describe the difference between woods.
Hard wood:
  • Material: e.g. mahogany, oak, balsa wood, beech, walnut, cherry;

Soft wood:
  • Material: e.g. pine, juniper.

Manufactured wood:
  • Material: e.g. veneered, chipboard, plywood, block board, medium density fibreboard, oriented strand board.


  • Hard wood: loose leaves during the cold wood, broad leaves.

  • Soft wood: evergreen trees, needle leaves, cheaper in price than hard wood, faster growth rate.

  • Manufactured wood: can be manufactured according to industry needs, made from recycled natural wood, cheaper in price than natural wood, does not have live characteristics as natural wood.

3 I can describe the difference between polymers.
Thermosetting polymers:
  • Material: e.g. polyurethane, polyesters, vulcanized rubber, Bakelite, epoxy resin, melamine, silicones.

Thermoplastic polymers:
  • Material: e.g. polyethylene, polypropylene, polystyrene, acrylic, ABS, PET, PVC.


  • Thermosetting polymers: once set cannot be reset, during manufacturing these transform from liquid to solid, if exposed to heat these materials degrade rather than melt.

  • Thermoplastic polymers: once heated to the ideal temperature can be reset, during manufacturing these transform from granules or powders to the actual object with the help of heat.

4 I can describe the function and types of smart material.
Types of smart materials: piezoelectric; shape memory alloys/polymers; magnetic shape memory; self-healing material.
Function: have one or more properties that can be significantly changed by certain conditions such as: stress, temperature, moisture, PH, electric or magnetic fields
1 I can explain the properties of different materials needed for particular applications.
Properties: e.g. hardness, ductility, malleability, resistance to environmental degradation, strength, elasticity.
2 I can explain the different manufacturing processes of different materials.

  • Metal Processes: Annealing; hardening; galvanizing; electroplating.

  • Wood Processes: seasoning; wood joints; bending; finishing.

  • Polymers:
     - Thermoplastic processes: vacuum forming, line bending, injection moulding, blow moulding, rotational forming,
     - Thermosetting processes: casting.

Learning Outcome: 2. I can carry out tests to identify engineering material for specific needs.

5 I can outline the different tests that can be carried out on materials.
Different tests: hardness; tensile; compression; shear; temperature; torque; impact; environmental degradation.
3 I can justify the test that needs to be conducted on given materials for a particular scenario.
1 I can carry out different tests in order to select an engineering material according to a given scenario.

Learning Outcome: 3. I can choose appropriate forms of supply to manufacture an engineering component.

6 I can identify the forms of supply available for engineering materials.
Forms of Supply:

  • Metals: bar; sheet; pipe/rod; wire; castings; forgings; mouldings; extrusions; powders.

  • Woods: planks; sheets; dowels; mouldings; beams.

  • Polymers: film/sheets; pellets/ powders; extrusions; castings; pipe/rod; liquid.

4 I can justify the appropriate forms of supply of different materials for given engineering components.

Learning Outcome: 4. I can make use of different tools safely and appropriately to produce an engineering component.

7 I can outline the functions of different measuring and marking out tools.

  • Marking out tools: e.g. scriber, centre punch, chalk line, dividers/callipers, surface plate, trammel, blueing or paint, scribing block, mortise gauge.

  • Measuring tools: e.g. ruler, measuring tape, protractor, gauges, veneer calliper, micrometre, engineer square, sliding bevel, combination sets.

8 I can outline the functions of different hand tools.
Hand tools: hammers/mallets; pincers; pliers; saws; screwdrivers; files; spanners and sockets; chisels; planer; taps and dies.
9 I can outline the functions of different power tools and machinery.
Power tools and machinery: drills; lathe; sanding machines; band saw; strip wire heater; hot air blowers; vacuum former; angle grinder; cross cut; jigsaw/scroll saw.
10 I can describe the appropriate use, maintenance and care of different tools.
Different tools: marking out tools; measuring tools; hand tools; power and machinery tools.
5 I can justify the choice of tools to be used to manufacture a particular engineering component.
2 I can use tools to carry a measuring and marking out activity on sheet material from given information.
3 I can use different tools appropriately to produce a 3D engineering component from given information.

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