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Materials and Construction

Materials and Construction
Softness of silver can be converted into hardness by alloying it with small quantity of

Aluminium
Tin
Copper & nickel
Zinc

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Materials and Construction
Valves in pipe size of 2" and under are normally made of

Wrought iron
Bronze
Brass
Monel

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Materials and Construction
Addition of nickel to copper improves its

Strength
Ductility
Hardness
Machinability

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Materials and Construction
The behaviour of visco-elastic material is time dependent. This behaviour is commo in __________ materials.

Non-crystalline organic polymeric
Non-crystalline solid
Rubberry
Crystalline

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Materials and Construction
Fatigue failure of a material results from __________ stress.

Compressive
Tensile
Fluctuating
None of these

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Materials and Construction
In the kraft (sulphate) process for the paper manufacture, the digestor is made of

Cast iron
Wrought iron
Karbate carbon
Stainless steel

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