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Engineering Materials

Engineering Materials
Weld decay is the phenomenon found with

Cast iron
Stainless steel
Mild steel
Nonferrous materials

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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
High carbon steel carries carbon percentage

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

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Engineering Materials
Ferromagnetic alpha iron exists in temperature range of

1400 to 1539°C
770 to 910°C
Below 723°C
910 to 1440°C

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Engineering Materials
The machinability of steel is increased by

Silicon and sulphur
Phosphorous and aluminium
Sulphur, graphite and aluminium
Phosphorous, lead and sulphur

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Engineering Materials
Solder is an alloy consisting of

Lead and zinc
Tin and copper
Tin and lead
Tin, antimony, copper

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MORE MCQ ON Engineering Materials

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