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Materials and Construction

Materials and Construction
Which of the following has a very high carbide forming tendency in steels?

Nickel
Silicon
Vanadium
Chromium

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Materials and Construction
Chilled iron castings are

None of these
Easily machinable
Soft on surface
Highly wear resistant

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Materials and Construction
Presence of nitrogen in steel

Increases its strength
Makes it brittle
Increases its hardness
Is desirable

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Materials and Construction
Which is an amorphous material?

Mica
Cast iron
Brass
Glass

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Materials and Construction
Glass lined vessels are not used for handling/storing

Dilute HCl
Dilute HNO₃
Dilute H₂SO₄
Hydroflouric acid

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

Electric cable sheathing
Lead lined vessels
Solder alloys
Storage batteries

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