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Engineering Materials

Engineering Materials
Super conduction by metals is observed in the temperature range of

Around 0°C
Below 10°K
Above 100°K
Around 100°C

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Engineering Materials
Steel containing ferrite and pearlite is

Hard and tough
Soft
Tough
Hard

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Engineering Materials
The percentage of carbon in grey iron castings usually varies between

2.5 to 4.5%
5 to 7%
0.5 to 1%
0.012

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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
A cold chisel is made of

Mild steel
H.S.S.
Cast iron
High carbon

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Engineering Materials
Slow plastic deformation of metals under a constant stress is known as

Plastic deformation
Fatigue
Creep
Endurance

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