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Chapter 8: Problem 6

Monel metal is an alloy of \(\mathrm{Cu}, \mathrm{Ni}\) and \(\mathrm{Fe}\).

Short Answer

Expert verified
Answer: Monel metal is an alloy consisting of Copper (Cu), Nickel (Ni), and Iron (Fe), with unique properties like high corrosion resistance, strength, low thermal conductivity, and slight magnetism. These characteristics make it suitable for various applications in industries such as chemical, marine, electrical, and aerospace.

Step by step solution

01

Introduction to alloy

An alloy is a mixture of two or more elements, at least one of which is a metal. Monel metal is an alloy consisting of Copper (Cu), Nickel (Ni), and Iron (Fe).
02

Understand the composition of Monel metal

To discuss the Monel metal composition, it is crucial to understand the percentage of each element in the metal. Generally, Monel metal consists of approximately 52-67% Copper (Cu), 29-34% Nickel (Ni), and a small percentage of Iron (Fe) - around 1-2%. It is also essential to note that Monel metal might contain additional elements like manganese and silicon in minor amounts.
03

Properties of Monel metal

Monel metal exhibits certain properties due to the presence of these elements. Some key properties of this alloy are: 1. Corrosion resistance: Monel metal is highly resistant to corrosion, making it suitable for various applications, especially in the chemical industry. 2. Strength: The alloy is strong and can maintain its strength over a wide temperature range. 3. Thermal conductivity: Monel metal has relatively low thermal conductivity, making it a good insulator. 4. Magnetic properties: The presence of Nickel (Ni) in Monel metal makes it slightly magnetic.
04

Applications of Monel metal

Due to its unique properties, Monel metal has various applications in different industries. Some of the most common applications are: 1. Chemical industry: It is used in devices like heat exchangers and piping systems due to its high corrosion resistance. 2. Marine industry: Monel metal can be found in propeller shafts and other components exposed to seawater. 3. Electrical and electronics industry: The alloy is used in connectors and terminals due to its resistance to wear and tear. 4. Aerospace industry: Monel metal is used in fasteners and fittings, as well as in various other applications when strength and corrosion resistance are required.
05

Summary

In conclusion, Monel metal is an alloy of Copper (Cu), Nickel (Ni), and Iron (Fe), which has unique properties like high corrosion resistance, strength, and low thermal conductivity. These characteristics make it suitable for various applications in industries such as chemical, marine, electrical, and aerospace.

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Most popular questions from this chapter

A compound contains elements \(X\) and \(\mathrm{Y}\) in \(1: 4\) mass ratio. If the atomic masses of \(X\) and \(Y\) are in \(1: 2\) ratio, the empirical formula of compound should be (a) \(\mathrm{XY}_{2}\) (b) \(\mathrm{X}_{2} \mathrm{Y}\) (c) \(\mathrm{XY}_{4}\) (d) \(\mathrm{X}_{4} \mathrm{Y}\)

An aqueous solution has urea and glucose in mass ratio \(3: 1\). If the mass ratio of water and glucose in the solution is \(10: 1\), then the mole fraction of glucose in the solution is (a) \(\frac{1}{110}\) (b) \(\frac{9}{110}\) (c) \(\frac{3}{110}\) (d) \(\frac{100}{110}\)

Two successive reactions, \(\mathrm{A} \rightarrow \mathrm{B}\) and \(\mathrm{B} \rightarrow \mathrm{C}\), have yields of \(90 \%\) and \(80 \%\) respectively. What is the overall percentage yield for conversion of \(\mathrm{A}\) to \(\mathrm{C}\) ? (a) \(90 \%\) (b) \(80 \%\) (c) \(72 \%\) (d) \(85 \%\)

The legal limit for human exposure to \(\mathrm{CO}\) in the work place is \(35 \mathrm{ppm}\). Assuming that the density of air is \(1.3 \mathrm{~g} / 1\), how many grams of \(\mathrm{CO}\) are in \(1.0 \mathrm{l}\) of air at the maximum allowable concentration? (a) \(4.55 \times 10^{-5} \mathrm{~g}\) (b) \(3.5 \times 10^{-5} \mathrm{~g}\) (c) \(2.69 \times 10^{-5} \mathrm{~g}\) (d) \(7.2 \times 10^{-5} \mathrm{~g}\)

How many grams of \(90 \%\) pure \(\mathrm{Na}_{2} \mathrm{SO}_{4}\) can be produced from \(250 \mathrm{~g}\) of \(95 \%\) pure \(\mathrm{NaCl} ?\) (a) \(640.6 \mathrm{~g}\) (b) \(288.2 \mathrm{~g}\) (c) \(259.4 \mathrm{~g}\) (d) \(320.3 \mathrm{~g}\)
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