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Exercise: Engineering Materials
📂 Engineering Materials
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Questions for: Engineering Materials
The high speed steel has __________ percentage of tungsten.
A:
maximum
B:
minimum
C:
D:
Answer:
A
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The ductility is the property of a material due to which it
A:
can be drawn into wires
B:
breaks with little permanent distortion
C:
can be rolled or hammered into thin sheets
D:
can resist fracture due to high impact loads
Answer:
A
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The steel widely used for making precision measuring instruments is
A:
nickel steel
B:
nickel-chrome steel
C:
high speed steel
D:
chrome-vanadium steel
Answer:
A
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A carbon steel having Brinell hardness number 100 should have ultimate tensile strength closer to
A:
100 N/mm
2
B:
200 N/mm
2
C:
350 N/mm
2
D:
1000 N/mm
2
Answer:
C
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The iron ore mostly used for the production of pig iron is
A:
magnetite
B:
haematite
C:
limonite
D:
siderite
Answer:
B
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