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Engineering Materials

Engineering Materials
In high speed steels, manganese is used to tougher the metal and to increase its

Melting point
Yield point
Critical temperature
Hardness

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Engineering Materials
Slow plastic deformation of metals under a constant stress is known as

Creep
Fatigue
Endurance
Plastic deformation

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Engineering Materials
Solder is an alloy consisting of

Tin and copper
Lead and zinc
Tin, antimony, copper
Tin and lead

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Engineering Materials
Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements?

Phosphor bronze
Babbitt metal
Monel metal
Nichrome

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Engineering Materials
Dislocations in materials refer to the following type of defect

Line defect
Point defect
Volumetric defect
Plane defect

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Engineering Materials
Ferromagnetic alpha iron exists in temperature range of

910 to 1440°C
1400 to 1539°C
Below 723°C
770 to 910°C

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