Question

The percentage of the copper content in copper steel varies from ________

(a) 0.15-0.25

(b) 0.35-0.45

(c) 0.50-0.60

(d) 0.75-1.00

I had been asked this question in an internship interview.

Enquiry is from Non-Ferrous Metals and Alloys topic in portion Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

Answer 1

Right answer is (b) 0.35-0.45

To explain I would say: The percentage of the copper content in copper steel varies from 0.15-0.25. Copper steel is a common variety of steel alloys that can resist atmospheric resistance better than ordinary carbon steel.