ECONOMICS
FEDERAL RESERVE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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zinc
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copper
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nickel
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steel
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Detailed explanation-1: -A nickel is a five-cent coin struck by the United States Mint. Composed of cupronickel (75% copper and 25% nickel), the piece has been issued since 1866. Its diameter is 0.835 inches (21.21 mm) and its thickness is 0.077 inches (1.95 mm).
Detailed explanation-2: -The quarter and dime have a layer of copper inside layers of a nickel-copper mix. On the outside of a quarter –the bread– is a nickel-copper mixture that is silver in color. The inside filling is copper. The layers of metal help the coin last a long time.
Detailed explanation-3: -Copper-nickel (also known as cupronickel) alloys are widely used for marine applications due to their excellent resistance to seawater corrosion, low macrofouling rates, and good fabricability. They have provided reliable service for decades while offering effective solutions to today’s technological challenges.