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Physical Metallurgy

Physical Metallurgy

askmemetallurgy provides you lots of fully solved Metallurgical Engineering (Physical Metallurgy) questions and answers with Explanation. All students, freshers can attemp or download Metallurgical Engineering Physical Metallurgy quiz questions with answers as PDF files and eBooks.

1. Ferrous alloys with less carbon content are more susceptible to corrosion sensitization.

 True
 False
 Can not be determined
 Corrosion does not depends on C content
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2. Which of the following neutral elements neither form carbides nor cause graphitization

 Aluminium
 Chromium
 Cobalt
 Copper
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3. The rule used to determine composition of various phases in a phase diagram is _____

 Gibb’s Phase rule
 Lever rule
 Both a & b
 None of the above
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4. The process of lowering the temperature of a liquid below its freezing point is known as _____

 Supercooling
 Undercooling
 Both a & b
 None of the above
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5. Eutectoid steel contains _____

 0.4 % Carbon
 0.8 % Carbon
 1.2 % Carbon
 2.2 % Carbon
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6. Neither ions nor electrons are free to move in

 Liquid
 Metals
 Ionic Solid
 All of the above
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7. The attractive forces between metal ions and delocalized electrons can be weaken or overcome by

 Hammer
 High Temperature
 Water
 All of the above
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8. Which carburising method has high production rate?

 Pack Carburizing
 Liquid Carburizing
 Gas Carburizing
 All of the above
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9. Which of the following elements increase/s chilled depth for chilled cast irons?

 Silicon
 Manganese
 Manganese Sulphide
 All of the above
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10. Why is gray cast iron annealed?

 Graphitize Carbide
 Decrease Ductility
 Decrease Machinability
 Increase the colour of gray
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11. Knife Line Attack is a type of _______

 Intergranular Corrosion
 Bimetal Corrosion
 Localized Corrosion
 Uniform Corrosion
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12. Which of the following has a fine gold colour and is used for imitation jewellery?

 Silicon Bronze
 Aluminum Bronze
 Gun Metal
 All of the above
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