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Materials and Construction

Materials and Construction
German silver is an alloy of copper, nickel and

Tin
Lead
Zinc
Silver

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Materials and Construction
Soap kettle used in the production of laundry soap is made of

Nickel
Cast iron
Steel with top section nickel clad or stainless steel
Concrete

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Materials and Construction
Carbon supply in pack carburising process is in the form of

Hydrocarbon oil
Charcoal
Graphite
Calcium carbide

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Materials and Construction
Carbon percentage in medium carbon steel is around

0.35 to 0.5
0.1 to 0.35
1 to 1. 5
0.8 to 1.4

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Materials and Construction
Chilled iron castings are

Easily machinable
Highly wear resistant
None of these
Soft on surface

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Materials and Construction
Nickel is a __________ material.

Diamagnetic
Ferromagnetic
Paramagnetic
None of these

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