June 2016

Experiment: Testing the strength of various joints

By |2017-01-17T11:12:20+02:00June 14th, 2016|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

Method


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Types of joints

By |2017-01-17T11:12:20+02:00June 14th, 2016|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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Methods of Joining materials

By |2017-01-17T11:12:21+02:00June 14th, 2016|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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