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Materials and Construction

Materials and Construction
A hardened steel essentially contains

None of these
Martensite
Sorbite
Troostite

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Materials and Construction
Trough of an apron conveyor is made of

Wood
Either B or C
Metal
Lead lined concrete vessel

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Materials and Construction
Presence of cobalt in steel improves its

Cutting ability
Corrosion resistance
None of these
Tensile strength

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

Zinc
Aluminium
Copper & nickel
Tin

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Materials and Construction
Dielectric strength of a material is

Its capacity to withstand high voltage
Its capacity to resist the flow of current
Its energy stroage capacity
A magnetic property

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Materials and Construction
Which one has the maximum tensile strength out of the following?

Pig iron
Grey cast iron
White cast iron
Nodular cast iron

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