Which one of the following materials is very hard and very ductile?

Monjur Alahi

Which one of the following materials is very hard and very ductile?

(a) Carborundum (b) Tungsten (c) Cast iron (d) Nichrome


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Salim Ahmed Kawsar

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(d) Nichrome is a non-magnetic alloy of nickel, chromium, and iron, usually used as a resistance wire. A common alloy is 80% nickel and 20% chromium, by mass. This alloying provide nichrome properties like hardness and ductility.

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