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Engineering Materials

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

0.008
None of these
Above 0.8%
Below 0.8%

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Engineering Materials
Which of the following statements are true for annealing of steels?

Internal stresses are relieved
Steels are heated to 500 to 700°C
All of these
Cooling is done slowly and steadily

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Engineering Materials
High carbon steel carries carbon percentage

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

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Engineering Materials
Which is false statement about tempering? Tempering is done to

Improve toughness
Improve ductility
Improve machinability
Release stresses

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Engineering Materials
Corrosion resistance of steel is increased by addition of

Vanadium, aluminium
Sulphur, phosphorus, lead
Tungsten, molybdenum, vanadium, chromium
Chromium and nickel

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Engineering Materials
Muntz metal contains copper and zinc in the ratio of

2.1180555555556
2.5277777777778
40 : 60
0.88888888888889

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