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Materials and Construction

Materials and Construction
An elastic behaviour of materials is expressed in terms of

Relaxation time
Stress-strain curve
None of these
Hysterisis loop area

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Materials and Construction
High carbon steel contains more than __________ percent carbon.

0.5
2.8
2.2
2.5

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Materials and Construction
Nickel is a __________ material.

Diamagnetic
None of these
Ferromagnetic
Paramagnetic

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Materials and Construction
Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its

Machinability
Corrosion resistance
Compressive strength
Tensile strength

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Materials and Construction
The softest material in Mho's scale (for measuring hardness) is

Rubber
None of these
Gypsum
Talc

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Materials and Construction
A material capable of undergoing large permanent deformation, when subjected to tension is termed as

Ductile
Friable
None of these
Brittle

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