[[File:TestRecord.pdf|400px|right|D&T Equipment Test Record]]
The '''Test Record''' example shown opposite ''([http://wiki.dtonline.org/index.php/Fi
653 bytes (108 words) - 09:52, 18 April 2016
...of this however, its disadvantage is that it does damage the sample under test.
=====Vickers hardness test=====
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...[[Try Square]]''' to draw or scribe lines at right angles to an edge or to test if a corner is '''Square'''. They may also use a '''[[Squares|Framing Squar
...Isosceles Trapezium'''] are also equal so checking their length would also test if such a regular shape was '''''‘squared up’'''''
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..._test '''Impact Testing'''] whereby a weighted pendulum is swung against a test piece to assess the energy needed to break it.
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...just enough members to stay rigid are known as '''simply firm'''. A simple test for this is to: '''''double the number of joints then subtract three''''' t
...kipedia.org/wiki/Timber_roof_truss '''King Post'''] roof truss passes this test for example, the equally traditional [http://en.wikipedia.org/wiki/Truss#Ki
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...-on design experience. This software provides you with the tools to model, test, and optimize a steel highway bridge, based on realistic specifications, co
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...stretched. The load applied is divided by the cross-sectional area of the test piece and this provides the value for the '''Tensile Stress''' being applie
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...heavier card. A good sharp knife is usually best. Replace blades often and test for sharpness by cutting scrap paper. A '''<dtamazon product="B000BK7NWC" t
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Design Make and Test a [http://en.wikipedia.org/wiki/Girder '''Warren Girder'''] truss frame 450
...d 15Nmm<sup>2</sup> - use this figure if in doubt or to check magnitude of test results)''.
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...einforced with card triangles can be very strong indeed - and difficult to test because it could take a dangerously large weight to break them!
Once completed, test your model by dividing its breaking load by its self-weight using the same
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'''Squares''' of various types are used mainly to test the '''[[Squareness]]''' of a piece of material or a construction and also
| Used for general woodworking when needing to test for '''[[Squareness]]''' or to mark lines at right-angles to a surface or e
5 KB (736 words) - 08:40, 12 April 2018
A '''Tensile Test''' for thin sheet materials, such as paper, can be done by wrapping the end
This is a simple '''Comparative Test'''. If a numerical result is required the cross-section of the thinned pape
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...gineering'''] for example, it is important to be able to mark them out and test their dimensions as accurately as possible. A sharp '''[[Scriber]]''' is us
....wikipedia.org/wiki/Indicator_%28distance_amplifying_instrument%29 '''Dial Test Indicator (DTI)''']
6 KB (984 words) - 08:40, 25 November 2016
...sometimes be necessary to draw in additional details of the mechanisms, to test clearances for example.
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...disadvantages, is to '''[[:Category:Structures Tasks|make models]]''' and test them.</span>
...fficiency - good models will produce results between 1000 and 2000 on this test!
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...can be measured or to compare it with another part of a project ''(e.g. to test if a spindle has been turned to a particular diameter or to check if it wil
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...s protein and fibre, for example the stone fruit analysed in the vitamin C test fairs better when looking at vitamin A. The peach contains large amounts of
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...sometimes be necessary to draw in additional details of the mechanisms, to test clearances for example.
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* critique, evaluate and test their ideas and products and the work of others
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* D&T provides the context and test of reality for many other aspects of the curriculum : for example, it enhan
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