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Materials and Construction

Materials and Construction
In hot wire aneomometer used for gas flow measurement, the wire is normally made of

Platinum
Chromium
Copper
Constantan

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Materials and Construction
The material of construction of pressure mills used for squeezing out the juice from sugar cane is

Monel
Cast iron
Stainless steel
Mild steel

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Materials and Construction
Iron rust is

Powdered iron
Ferric sulphide
Ferrous oxide
Hydrated ferric oxide

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Materials and Construction
Cast iron and steel pipes are produced by __________ casting.

Die
Investment
Slush
True centrifugal

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Materials and Construction
The phenomenon in which slow extension of material takes place with the time at constant load is called

Elasticity
Ductility
Creep
Plasticity

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Materials and Construction
Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of

Wood
Stainless steel
Reinforced concrete lined with lead
High silicon iron (14% Si)

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