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Materials and Construction

Materials and Construction
__________ iron is produced, when molten pig iron is allowed to cool gradually.

Grey cast
Wrought
White cast
None of these

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Materials and Construction
Which of the following is the easiest to bend?

Cast iron
Stainless steel
Wrought iron
Steel

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Materials and Construction
Metal at the top of the electromotive series is

Most active
Most stable
Least active
Most noble

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Materials and Construction
Ferric stainless steels compared to austenitic stainless steels

Have lower corrosion resistance
Are less ductile and hence less suitable for cold pressing
Are harder to fabricate
All of these

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Materials and Construction
Mild steel is used for making

Drop forging
Die block
Channels
Fish plates

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Materials and Construction
The purpose of nitriding the steel is to

Soften its surface
Improve its reliability
Harden its surface
None of these

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