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Engineering Materials

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

Malleability
Ductility
Brittleness
Plasticity

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Engineering Materials
Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio

2.1180555555556
2.9375
40 : 60
30 : 70

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Engineering Materials
High carbon steel carries carbon percentage

0.6 to 0.8%
0.8 to 1.5%
0.3 to 0.6%
0.1 to 0.3%

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Engineering Materials
The silicon steel is widely used for

Cutting tools
Connecting rods
Generators and transformers in the form of laminated cores
Motor car crankshafts

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Engineering Materials
The following element can't impart high strength at elevated temperature

Nickel
Silicon
Manganese
Magnesium

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Engineering Materials
The crystal structure of brass is

H.C.P.
C.C.
F.C.C.
Orthorhombic crystalline structure

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