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Engineering Materials

Engineering Materials
The bond formed by transferring electrons from one atom to another is called

Covalent bond
Ionic bond
Metallic bond
None of these

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Engineering Materials
The hardness of steel primarily depends on

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

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

Malleability
Ductility
Plasticity
Brittleness

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Engineering Materials
The machinability of aluminium increases when _________ is added to aluminium.

Copper
Lead and bismuth
Magnesium
Silicon

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Engineering Materials
In malleable iron, carbon is present in the form of

Free carbon
Flakes
Nodular aggregates of graphite
Cementite

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Engineering Materials
Heavy duty leaf and coil springs contain carbon of the following order

0.005
0.01
0.002
0.008

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