The percentage of copper and zinc in cartridge brass is _______ and __________ respectively.(a) 30%,70%(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

The percentage of copper and zinc in cartridge brass is _______ and __

1.	The percentage of copper and zinc in cartridge brass is _______ and __________ respectively.(a) 30%,70%(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
Answer» The CORRECT OPTION is (b) 70%, 30% To EXPLAIN: The percentage of copper and zinc in cartridge BRASS is 70% and 30% respectively. It is a common variety of brass which is USED for cartridges, springs etc.

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