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Engineering Materials

Engineering Materials
The machinability of steel is improved by adding

Nickel and chromium
Chromium
Sulphur, lead and phosphorus
Nickel

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Engineering Materials
For the allotropic forms of iron, the points of arrest are

The points where there is no further flow of metal
The points where no further change occurs
Constant for all metals
The points of discontinuity

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Engineering Materials
By severely deforming a metal in a particular direction it becomes

Malleable
Anisotropic
Homogeneous
Ductile

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Engineering Materials
The property of a material due to which it breaks with little permanent distortion, is called

Plasticity
Ductility
Brittleness
Malleability

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Engineering Materials
Constantan an alloy used in thermocouples is an alloy of

Copper and tin
Copper and nickel
Copper and iron
Copper and zinc

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Engineering Materials
Cast iron is manufactured in

Open hearth furnace
Bessemer converter
Blast furnace
Cupola

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