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Materials and Construction

Materials and Construction
Which of the following has the highest density and the lowest melting point?

Titanium
Lead
Aluminium
Stainless steel

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Materials and Construction
Which one has the maximum tensile strength out of the following?

White cast iron
Nodular cast iron
Pig iron
Grey cast iron

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Materials and Construction
Gas holder of a gobar (cowdung) gas plant is made of

Aluminium
Molybdenum stainless steel
Tin
Mild steel

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Materials and Construction
Cast iron is a __________ material.

Brittle
Ductile
Malleable
Tough

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Materials and Construction
Glass lined vessels are not used for handling

Hydroflouric acid
Dilute HNO₃
Dilute HNO₃
Dilute HCI

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Materials and Construction
Galvanised iron is

None of these
Harder
Alumina coated iron
Protected from rusting

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