d) 70-75% copper and rest tin . A. Muntz metal contains copper and zinc in the ratio of_____? d) Babbit metal . 0. Q15. Ans: c. 157. b) 90% copper and 10% tin. Ans: b. Q16. Brass Applications If the brass contains over 39% zinc (example – Muntz Metal), it will have a higher strength and lower ductility (at room temperature). If the zinc content of the brass ranges from 32% to 39%, it will have increased hot-working abilities but the cold-working will be limited. The important alloys of copper and zinc from an industrial point of view are the brasses comprised within certain limits of zinc content. Bell metal contains. a) 70% copper and 30% zinc. 0. A. Muntz metal contains copper and zinc in the ratio of (a) 50 : 50 (b) 40 : 60 (c) 60 : 40 (d) 20 : 80 (e) 80 : 20. C280 sometimes referred to as Muntz Metal, nominally contains 60% copper, and 40% zinc.The importance of this alloy is its color, which is essentially that of architectural bronze. Considering that it shares a lot of the qualities of copper, this makes it highly preferable for architects and engineers. This is a Chinese Specification composition 57-60 copper, 0.8-1.9% lead, balance zinc. Muntz metal is a combination of copper and zinc, and is otherwise known as the Yellow Metal. Not only is it easy to work with, but it is also affordable. Q3. #1 Gliding metal: It Contains 90% copper & 10% Zn. It has better corrosion resistance and is easily cast. 40 : 60 C. 60 : 40 D. 10 : 90 E. 90 : 10. c) 85-92% copper and rest tin with little lead and nickel. 40 : 60 C. 60 : 40 D. 20 : 80 E. 80 : 20. Which of the following is used for bearing liner. Because of … Farmer’s Copper Ltd. maintains an inventory of C28000 Muntz in sheet and plate. Gliding metal is used for making coins, medals etc. c) Bell metal. It is a leaded Muntz Metal. The important alloys of copper and zinc from an industrial point of view are the brasses comprised within certain limits of zinc content. Muntz Metal; The explanation for the types of Brass is as follows. A more suitable alloy for this application would be the gunmetal LG2 (CC491K) 85%copper, 5% tin, 5% zinc, 5% lead. Muntz metal contains copper and zinc in the ratio of (A) 50:50:00 (B) 41:00:00 (C) 60:40:00 (D) 31:10:00. That portion of the constitutional diagram which refers to these alloys is given in the Figure 1. 156. Aluminium bronze contains aluminium and copper in the ratio of_____? Furthermore, it is relatively less expensive than other brass. (e) 90% copper and 1C% zinc. a) Gun metal. 50 : 50 B. #2 Cartridge brass: It contains 70% Copper and 30% zinc. Muntz Metal. The other alloys, since they contain no tin, are in reality brasses. Q14. It is used for the deep drawing of cartridge cases and condenser tubes etc. The correct sequence for descending order of machinability is _____? 50 : 50 B. 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