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Engineering Materials

Engineering Materials
Steel with __________ carbon is known as hypo-eutectoid steel.

None of these
0.008
Above 0.8%
Below 0.8%

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Engineering Materials
Cold rolled steel sheets contain carbon of the following order

0.001
0.006
0.004
0.002

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Engineering Materials
Addition of lead and bismuth to aluminium results in

Improving machinability
Improvement of casting characteristics
One of the best known age and precipitation hardening systems
Improvement of corrosion resistance

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Engineering Materials
Foundry crucible is made of

Lead
Graphite
German silver
Mild steel

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Engineering Materials
The crystal structure of brass is

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

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Engineering Materials
Process of Austempering results in

Formation of bainite structure
Martenistic structure
Lamellar layers of carbide distributed throughout the structure
Carburised structure

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