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Materials and Construction

Materials and Construction
Lead alone is not used in storing equipment, because it

Is very costly
None of these
Is having low creep strength
Corrodes easily

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Materials and Construction
Karbate is

A mixture of iron dust and saw dust
An acid resistant material
Carbon impregnated with resin (usually bakelite)
Both B and C

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Materials and Construction
An alloy used as thermocouple material comprises of 40% nickel and 60% copper.

Constantan
Kanthal
Chromel
German silver

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Materials and Construction
Addition of 2% nickel in steel makes it suitable for making

Boiler plates, rivets etc
Electronic valves
Turbine blades
Connecting rod

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Materials and Construction
Shock resisting steels should possess high

Toughness
Hardness
Wear resistance
Tensile strength

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

Stainless steel
Steel
Bronze
Cast iron

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