Question: 1. Plastic deformation of a metal below its recyrstallisation temperature is called. (A) Deep drawing. (B) Forging. (C) Cold working. (D) Hot working. View Answer. …
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This set of Mechanical Metallurgy Objective Questions & Answers focuses on "Stress-Rupture Test – 2". 1. The material with low stacking fault energy is prone to sub-grain formation compared to the metal with high stacking fault energy. a) True b) False View Answer. Answer: b
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Metallurgy is the study of the physical and chemical behaviour of metallic elements, intermetallic compounds, and their mixtures, which are known as alloys. It is defined as a process that is used for the extraction of metals in their pure form. The compounds of metals mixed with soil, limestone, sand and rocks are known as minerals.
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This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on "Mechanical Properties". 1. The tendency of a deformed solid to regain its actual proportions instantly upon unloading known as ______________. a) Perfectly elastic. b) Delayed elasticity.
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Metallurgy is also the technology of metals: the way in which science is applied to the production of metals, and the engineering of metal components for usage in products for consumers and manufacturers. The production of metals involves the processing of ores to extract the metal they contain, and the mixture of metals, sometimes with other ...
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5. For Define what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork. Porosity is related to air or gas entrapment during the melting or casting process. When the metal cools and solidifies a small hole is left in the casting.
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8-A peritectic reaction is defined as. (A) two solids reacting to form a liquid. (B) two solids reacting not to form a liquid. (C) a liquid and solid reacting to form another solid. (D) two solids reacting to form a third solid. (Ans: C)
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2. Amalgamation is better suited to ores in which the gold occurs in the free and cores state. Fine particles of Gold are better treated by Cyanidation. 3. Gold dissolves in aqua regia. Aqua Regia is a mixture of hydrochloric acid and nitric acid. It can dissolve gold, which single acids alone cannot do.
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1. General Metallurgy 2. Mineral Dressing 3. Iron Making 4. Steel Making 5. Extractive Metallurgy 6. Mechanical Metallurgy 7. Physical Metallurgy 8. Material Science 9. Fuel Technology 10. Furnace Technology 11. Refractory Technology 12. Foundry Metallurgy 13. Welding Metallurgy 14. Metallurgy of Nuclear Metals 15. Electrometallurgy and Corrosion
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This set of Engineering Materials and Metallurgy MCQs focuses on "Fibre Reinforced Composites & Other Composites". 1. The continuous phase of a composite material is known as its _______. a) dispersed phase. b) surrounding phase. c) matrix phase. d) fiber phase. View Answer. 2.
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