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Question no. 57669

Muntz metal is an alloy containing copper and zinc combined in a proportion of________________?

Select your answer for: Muntz metal is an alloy containing copper and zinc combined in a proportion of________________?
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Answer: C. 60 : 40

Explanation

Muntz metal is a traditional brass alloy formulated with specific proportions of copper and zinc. Metallurgical standards define its composition as approximately sixty percent copper and forty percent zinc. This specific ratio provides excellent hot-working capability and superior corrosion resistance in marine environments. Brass alloys are binary or ternary metal combinations consisting primarily of copper alloyed with zinc. Alpha-beta brasses like Muntz metal contain higher zinc content, making them strong and easily hot-forged. Alloy proportions dictate the mechanical strength, color, and corrosion resistance of commercial brass products.

Marine engineering applications utilize Muntz metal for condenser tube plates and boat hull sheathing. Architectural hardware and decorative metalwork frequently employ Muntz metal for its attractive golden appearance. Industrial valve components and fasteners require corrosion-resistant brass alloys for reliable long-term service. A fifty-fifty copper-zinc ratio produces brittle beta brass alloys unsuitable for standard commercial forming operations. A forty-sixty proportion reverses the primary metal elements, resulting in an impracticable zinc-rich composition. Ratios like twenty-eighty or eighty-twenty describe different brass or cupro-nickel grades rather than Muntz metal.

Subject
Engineering
Topic
—
Difficulty
medium

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