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Engineering Materials

Engineering Materials
Which of the following material has maximum ductility?

Mild steel
Aluminium
Nickel
Copper

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Engineering Materials
The hardness of steel primarily depends on

Percentage of carbon
Percentage of alloying elements
Shape of carbides and their distribution in iron
Heat treatment employed

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Engineering Materials
Cemented carbide tools are not found to be suitable for cutting

Cast iron
Aluminium
Brass
Steel

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

Malleability
Plasticity
Ductility
Brittleness

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Engineering Materials
A cold chisel is made of

H.S.S.
High carbon
Cast iron
Mild steel

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Engineering Materials
Taps dies and drills contain carbon

Above 1%
Below 0.5%
Above 2.2%
Below 1%

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