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Materials and Construction

Materials and Construction
High degree of toughness is a must for

Cold work tool steel
Shock resisting steel
High speed steel
None of these

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Materials and Construction
The temperature at which new grains are formed in the metal is called the __________ temperature.

Recrystallisation
Upper critical
Lower critical
Eutectic

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Materials and Construction
Which of the following crystal structures characterises the ferritic stainless steel?

Face centred cubic
Body centred cubic
None of these
Simple hexagonal

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Materials and Construction
When the steel is subjected to normalising, its __________ decreases.

Ultimate tensile strength (UTS)
None of these
Ductility
Yield point

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Materials and Construction
For platinum thermocouples, lead wires are made of

Tin & nickel
Iron & nickel
Copper & copper-nickel alloys
Copper & iron

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Materials and Construction
Tank furnace used for melting of glass is made of

Cast iron
Refractory blocks
Mild steel
Stainless steel

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