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Engineering Materials

Engineering Materials
The property of a material which enables it to retain the deformation permanently, is called

Ductility
Plasticity
Malleability
Brittleness

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Engineering Materials
Weld decay is the phenomenon found with

Mild steel
Nonferrous materials
Stainless steel
Cast iron

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Engineering Materials
When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite.

Less than
More than
None of these
Equal to

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Engineering Materials
Shock resistance of steel is increased by adding

Nickel
Nickel and chromium
Sulphur, lead and phosphorus
Chromium

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Engineering Materials
Cast iron is characterized by minimum of following percentage of carbon

0.02
0.002
0.013
0.008

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Engineering Materials
The alloying element which can replace tungsten in high speed steels is

Vanadium
Cobalt
Nickel
Molybdenum

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