January 2023

Methods of Joining materials

By |2022-09-15T12:38:24+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Joining parts of a plane. Image credit airportjournals.com Joining parts of a plane. Image credit airportjournals.com ZIMSEC O Level Combined Science Notes:Methods of Joining materials

  • Building structures such as bridges and pylons using solid material would be needlessly expensive
  • Most of this material would be in a neutral zone where it […]
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Types of joints

By |2022-09-15T12:38:24+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Brazing. Image credit samarthenggworks.com Brazing. Image credit samarthenggworks.com ZIMSEC O Level Combined Science Notes:Types of joints

  • The main function of a joint is to transmit load from one part of a structure to another
  • This usually results in the joint being subjected to a lot of stress and weakening the structure

    • […]

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Experiment: Testing the strength of various joints

By |2022-09-15T12:38:23+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Welding joints. Image credit youtube.com Welding joints. Image credit youtube.com ZIMSEC O Level Combined Science Notes:Experiment: Testing the strength of various joints

Aim: To test the strength of various joints in beams

Materials:  pieces of metal,poplar wood, glue, drawing pins/nails, bolts and nuts, old plastic rulers, burner, bricks/clamp, welding equipment/burner

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