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Engineering Materials

Engineering Materials
Weld decay is the phenomenon found with

Cast iron
Nonferrous materials
Mild steel
Stainless steel

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Engineering Materials
The molecules in a solid move

In a random manner
Back and forth like tiny pendulums
In a haphazard way
In circular motion

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Engineering Materials
Which of the following steel making process is being adopted at Rourkela (in India) Steel Plant?

LD process
Open hearth process
Bessemer process
Electric process

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Engineering Materials
The electric process of steel making is especially adapted to

Alloy and carbon tool steel
High speed tool steel
Magnet steel
All of these

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Engineering Materials
Ferromagnetic alpha iron exists in temperature range of

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

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Engineering Materials
Corrosion resistance of steel is increased by adding

Tungsten and sulphur
Chromium and nickel
Aluminium and zinc
Nickel and molybdenum

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