Exam Questions and Answers 100%
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Metals that have iron as the major ingredient and are usually
magnetic -
correct answer ✅Ferrous Metals
Very high carbon steels often used to make punches, dies, shear
blades, cutting tools and other components -
correct answer ✅Tool Steels or High-Speed Steels
Metals that do not have iron in large enough amounts to have any
major influence on the properties of the metals and are usually
non-magnetic (with the exception of nickel) -
correct answer ✅Non-ferrous metals
Metal that oxidizes rapidly. Often has a thin oxide film covering.
Smooth silvery surface -
correct answer ✅Pure Aluminum
Metal that is usually a silver-grey to grey colour depending on how
the manufacturer formed and finished the metal -
correct answer ✅Steels and Cast Irons
,Millwright - 2nd Year - Metallurgy
Exam Questions and Answers 100%
score Latest update 2026
Metal with a rough, dull grey surface appereance -
correct answer ✅White/Grey Cast Iron
Smoother metal that white/grey cast iron with lighter grey colour -
correct answer ✅Malleable Cast Iron
Metal that is red or yellow in colour depending on the alloys in each
-
correct answer ✅Copper and Brass
White to grey-coloured metal with a smooth velvety texture -
correct answer ✅Nickel
Very soft, malleable, bluish-grey metal. Can be scratched with your
fingernail. -
correct answer ✅Lead
Steel that has a black mill scale or heat scale surface -
correct answer ✅Hot-rolled Steel
,Millwright - 2nd Year - Metallurgy
Exam Questions and Answers 100%
score Latest update 2026
Steel with a shiny smooth suface and finished to more precise
dimensions. -
correct answer ✅Cold-rolled Steel
List 8 Methods of Identifying Metals -
correct answer ✅1. Weight (Differnt desnisties)
2. Texture (Rough often means casting)
3. Shape (Formed or Casting)
4. Visual Apprearance (Texuture and Colour)
5. Chip Test
6. Spark Test
7. File Test
8. Flame Test
Properties that help identify the metal -
correct answer ✅Physical Properties
Properties that relate to the way a metal behaves -
correct answer ✅Mechanical Property
, Millwright - 2nd Year - Metallurgy
Exam Questions and Answers 100%
score Latest update 2026
The 5 most important Mechanical Properties are: -
correct answer ✅1. Hardness
2. Ductility
3. Toughness
4. Tensile Strength
5. Machinability
The ability of a metal to resist penatration and plastic deformation -
correct answer ✅Hardness
The ability of a metal to be stretched permanently without breaking
-
correct answer ✅Ductility
The ability of a metal to withstand shock and impact without
breaking or shattering -
correct answer ✅Toughness
The ability of a metal to withstand pull without breaking -
correct answer ✅Tensile Strength