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

A
Carborundum
B
Tungsten
C
Cast iron
D
Nichrome
Solution:

Nichrome (NiCr, nickel-chrome, chrome-nickel, etc.) is any of various alloys of nickel, chromium, and often iron (and possibly other elements). The most common usage is as resistance wire, although they are also used in some dental restorations (fillings) and in a few other applications.

Entri Contact Image

Get Expert Advice for Free: Register for Your Free Consultation Now!

    [honeypot honeypot-100]