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Metallurgical Engineering Miscellaneous In Metallurgy Difficulty: Medium

This joint consists of two overlapping parts is called

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Match the following features in tensile stress-strain curves. A. Yield drop 1. Strain ageing B. Serrations 2. Superplasticity C. Increase in flow stress with plastic deformation 3. Dislocation pinning D. 1000% uniform strain 4. Dislocation multiplication A wire is stretched 3 mm by a force of 150 N. Assuming the elastic limit is not exceeded, ther stretch for 450N is: Tempering those results in a reduction of toughness is known as Match the powder production technique given in Group I with the corresponding shape listed in Group II . Group-I Group-II P. reduction 1. Flaky Q. Gas Atomization 2. Spongy R. Milling 3. Dendritic S. Electrolysis 4. Spherical What are the factors caused for arc blow?