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Engineering Materials

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

0.002
0.005
0.008
0.01

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Engineering Materials
The percentage carbon content in wrought iron is about

2
0.1
0.02
0.4

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Engineering Materials
Maximum percentage of carbon in austenite is

0.017
0.008
0.00025
0.0026

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

Aluminium
Brass
Cast iron
Steel

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Engineering Materials
The presence of hydrogen in steel causes

Embrittlement
Corrosion resistance
Improved Weldability
Reduced neutron absorption cross-section

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Engineering Materials
The presence of sulphur in pig iron makes

The casting unsound
It easily machinable
It hard
It brittle

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