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Engineering Materials

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

Brittleness
Plasticity
Ductility
Malleability

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Engineering Materials
Ball bearings are, usually, made from

Low carbon steel
Chrome steel
Medium carbon steel
High carbon steel

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

0.01
0.008
0.002
0.005

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Engineering Materials
Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons.

More than
Less than
None of these
Equal to

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Engineering Materials
Bronze contains

90% copper and 10% tin
70% copper and 30% zinc
70 - 75% copper and rest tin
85 - 92% copper and rest tin with little lead and nickel

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Engineering Materials
Weld decay is the phenomenon found with

Stainless steel
Mild steel
Cast iron
Nonferrous materials

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