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2.What is the cold bending performance of steel? How to judge the cold bending performance of steel? What is the purpose of cold bending tests on steel?
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The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
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If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79
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Engineering, 04.07.2019 18:10, winterblanco
The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
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2.What is the cold bending performance of steel? How to judge the cold bending performance of steel?...
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