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Materials and Construction

Materials and Construction
Hammers and railway rails are normally made of

Dead mild steel
Mild steel
High carbon steel
Medium carbon steel

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Materials and Construction
The range of Mho's scale of hardness is from

0 to 10
1 to 15
1 to 10
1 to 8

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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)
None of these
Carbon free iron
Iron impregnated with resin (usually bakelite)

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Materials and Construction
Liquid ammonia is shipped in __________ containers.

Aluminium
Steel
Lead lined
Glass

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Materials and Construction
__________ steel is widely used for the manufacture of motor car crankshafts.

High speed
Silicon
Nickel
Chrome

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Materials and Construction
Addition of nickel to copper improves its

Hardness
Strength
Ductility
Machinability

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