The percentage of copper and zinc in cartridge brass is _______ and __________ respectively.
(b) 70%, 30%
(c) 40%, 60%
(d) 60%, 40%
I had been asked this question during an online exam.
This interesting question is from Non-Ferrous Metals and Alloys in section Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials