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Materials and Construction

Materials and Construction
Carbon is present in the uncombined (graphitic) form in case of

Steel
Cast iron
Ferroalloy
None of these

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Materials and Construction
Which has the maximum melting point out of the following?

Steel
Cast iron
Wrought iron
Stainless steel

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Materials and Construction
Containers made of high silicon cast iron (14% Si) are not suitable for the storage of

Phosphoric acid (95%) & sulphuric acid (95%)
Acetic acid
Hydrochloric acid (concentrated)
Benzoic & boric acids

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Materials and Construction
Presence of high phosphorous in cast iron increases its

Tensile strength
Shrinkage
Melting point
Fluidity

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Materials and Construction
Nickel and copper are the basic constituents of

German silver
Inconel
Monel metal
Hastelloy

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Materials and Construction
In a plate type heat exchanger, heat transfer plates are never made of

Cast iron
Hastealloy C
Stainless steel
Titanium

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