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Materials and Construction

Materials and Construction
Maximum consumption of lead is in the manufacture of

Lead lined vessels
Solder alloys
Electric cable sheathing
Storage batteries

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Materials and Construction
Copper has very low

Tensile strength
Malleability
Ductility
Thermal & electrical conductivity

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Materials and Construction
German silver used for decorative purposes contains maximum percentage of

Nickel
Silver
Copper
Zinc

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Materials and Construction
Bog iron used for the adsorption of H?S from coke oven gas is

An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide)
Carbon free iron
Iron impregnated with resin (usually bakelite)
None of these

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Materials and Construction
The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon.

4
2
0.2
8

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Materials and Construction
Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of

Stainless steel
Nickel
Copper
Brass

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