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Engineering Materials

Engineering Materials
Age hardening is related to

Copper
Brass
Duralumin
Silver

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Engineering Materials
Eutectoid steel contains following percentage of carbon

0.0063
0.0002
0.008
0.003

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Engineering Materials
The hardness and tensile strength in austenitic stainless steel can be increased by

Martempering
Full annealing
Hardening and cold working
Normalizing

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Engineering Materials
The strength is the ability of a material to resist

Externally applied forces with breakdown or yielding
Fracture due to high impact loads
None of these
Deformation under stress

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Engineering Materials
Recrystallization temperature can be lowered by

Purification of metal
All of these
Grain refinement
Working at lower temperature

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Engineering Materials
Ductility of a material can be defined as

Ability to recover its original form
All of these
Ability to undergo large permanent deformations in compression
Ability to undergo large permanent deformations in tension

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