QUESTION 10 1 points Save Answer Dislocations do not move with the same degree o

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QUESTION 10 1 points Save Answer Dislocations do not move with the same degree of ease on all crystallographic planes of atoms and in all crystallographic directions there is a preferred plane for deformation there is a preferred plane and direction for deformation earn.swin.edu.au/webapps/assessment/take/launch.jsp?cou. id 219826 1&courseid- 190753 1&contentid-_7555973 1&step null Page 4 t: 2018 Sem2 Mid Semester test on 20-21 September &.. 20/9/18, 5:00 there is a preferred plane along which dislocations motion occurs there is a preferred direction for deformation QUESTION 11 points Save Answer The impact behaviour of plastics is determined using the instrumented impact test Charpy test Izod test modified Knoop test QUESTION 12 1 points Save Answer Young's modulus of a material is an indication of how strong it is stiff it is hard it is much energy it can absorb

Explanation / Answer

1. In this question C option is correct because when dislocation occurs in crystellographic structure then it is preferred that plane along which dislocation occurs.

2. In this question A option is correct we can measure the impact of plastic by insturmented impact test. This insturment consist of a huge force sensor which responds very fast and it senses approx 4 million force per second.

3. In this question B iption is correct. Youngs modulus of material shows the how much material is stiff of elastic materials.

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