Engineering-materials Questions Set 34:
What is the degree of freedom when three phases co-exist?
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What is the primary element added to stainless steel?
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What is Gibbs' phase rule for a general system?
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What is Gibbs phase rule for metallurgical systems?
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Why is Mg extruded and not rolled?
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When atoms are deformed, approximately what fraction of the deformation energy is retained internally?
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Which of the following is a property of amorphous materials?
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Which technique is used to observe dislocations?
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When the stress (σ) and Young's modulus (E) remain constant, the energy absorbing capacity of a part subject to a dynamic force is a function of:
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Porosity is the ratio of the pores' volume (empty spaces) in a powder to the bulk volume, and the Packing factor denotes the packing volume of the solid in the bulk volume. What is the correct relationship between Porosity and Packing factor?
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