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Materials and Construction

Materials and Construction
A hardened steel essentially contains

Sorbite
Troostite
Martensite
None of these

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Materials and Construction
Balls in a ball mill are usually made of

Cast iron
Steel
Bronze
Stainless steel

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Materials and Construction
The most resistant material to alkaline corrosion is

Aluminium
Nickel
Duriron
Karbate

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Materials and Construction
The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called

Hooke's effect
Bauschinger effect
Hysterisis
Relaxation

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Materials and Construction
When iron is rusted, it is

Reduced
Converted to a fine powder
None of these
Oxidised

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Materials and Construction
Bush bearings are made of

None of these
Mild steel
Phosphorous bronze
White metal alloys

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