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JSS2: BASIC TECHNOLOGY - 1ST TERM

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  1. Definition of First Aid | Week 1
    7 Topics
    |
    1 Quiz
  2. Rescue Operation | Week 2
    3 Topics
    |
    1 Quiz
  3. Materials & their Common Uses (Wood) | Week 3
    6 Topics
    |
    1 Quiz
  4. Materials & their Common Uses (Metal) | Week 4
    6 Topics
    |
    1 Quiz
  5. Uses of Common Alloys (Brass & Bronze) | Week 5 & 6
    7 Topics
    |
    1 Quiz
  6. Uses of Ceramics and Glass (Contd) | Week 7 & 8
    4 Topics
    |
    1 Quiz
  7. Uses of Plastics | Week 9
    4 Topics
    |
    1 Quiz
  8. Uses of Rubber | Week 10
    3 Topics
    |
    1 Quiz



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Topic Content:

  • Uses of Non-Ferrous Alloys

1. Nichrome: This is the composition of nickel and chromium. Sometimes, iron can also be mixed. Depending on the content of Iron, this alloy can be either Ferrous or Non-ferrous. It can be used to manufacture electrical resistance wire. e.g. Ring boiler.

Nichrome Wire
Nichrome Wire.

2. Solder: This is the mixture of tin + lead. Solder is used for joining metals and creating electrical joints, such as copper joining in circuit boards and copper pipe joints. 

Solder wire
Solder wire.
solder
Soldering wires to a circuit board.

 

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