Mechanical Engineering Exam > Mechanical Engineering Questions > Following is WRONG about a phase diagram:a)It...
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Following is WRONG about a phase diagram:
- a)It gives information on transformation rates.
- b)Relative amount of different phases can be found under given equilibrium conditions.
- c)It indicates the temperature at which different phases start to melt.
- d)Solid solubility limits are depicted by it.
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Following is WRONG about a phase diagram:a)It gives information on tra...
Time dependence phase changes is studied by kinetics of the phase transformations.
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Following is WRONG about a phase diagram:a)It gives information on tra...
Introduction:
A phase diagram is a graphical representation of the physical states of a substance under different conditions of temperature and pressure. It provides crucial information about the equilibrium phases and their relative amounts at different conditions.
Explanation:
The given statement, option A, is incorrect because a phase diagram does not provide information on transformation rates. Instead, it focuses on the equilibrium phases and their existence regions.
Key Points:
To better understand the incorrect statement, let's look at the other options and their relation to a phase diagram:
b) Relative amount of different phases can be found under given equilibrium conditions:
A phase diagram provides valuable information about the relative amounts of different phases under equilibrium conditions. It shows the boundaries between different phases and their corresponding regions in the temperature-pressure space. By analyzing the phase diagram, we can determine the proportions of different phases present at a particular temperature and pressure.
c) It indicates the temperature at which different phases start to melt:
One of the primary purposes of a phase diagram is to show the phase transitions that occur as temperature and pressure change. It clearly indicates the temperature at which different phases start to melt or transform into other phases. For example, in the case of water, the phase diagram shows the melting point (0°C) and the conditions under which solid ice transitions to liquid water.
d) Solid solubility limits are depicted by it:
A phase diagram also represents the solubility of different components in a solid solution. It shows the solid solubility limits, which define the maximum and minimum concentrations of solutes that can be dissolved in the solid phase at specific temperatures and pressures. These limits are crucial in various fields, such as materials science and metallurgy, as they determine the formation of specific alloy compositions.
Conclusion:
In conclusion, a phase diagram is a powerful tool for understanding the equilibrium phases and their relative amounts under different temperature and pressure conditions. While it does not provide information on transformation rates (option A), it accurately represents the relative amounts of phases, melting points, and solid solubility limits, making it an essential tool in various scientific and engineering fields.
A phase diagram is a graphical representation of the physical states of a substance under different conditions of temperature and pressure. It provides crucial information about the equilibrium phases and their relative amounts at different conditions.
Explanation:
The given statement, option A, is incorrect because a phase diagram does not provide information on transformation rates. Instead, it focuses on the equilibrium phases and their existence regions.
Key Points:
To better understand the incorrect statement, let's look at the other options and their relation to a phase diagram:
b) Relative amount of different phases can be found under given equilibrium conditions:
A phase diagram provides valuable information about the relative amounts of different phases under equilibrium conditions. It shows the boundaries between different phases and their corresponding regions in the temperature-pressure space. By analyzing the phase diagram, we can determine the proportions of different phases present at a particular temperature and pressure.
c) It indicates the temperature at which different phases start to melt:
One of the primary purposes of a phase diagram is to show the phase transitions that occur as temperature and pressure change. It clearly indicates the temperature at which different phases start to melt or transform into other phases. For example, in the case of water, the phase diagram shows the melting point (0°C) and the conditions under which solid ice transitions to liquid water.
d) Solid solubility limits are depicted by it:
A phase diagram also represents the solubility of different components in a solid solution. It shows the solid solubility limits, which define the maximum and minimum concentrations of solutes that can be dissolved in the solid phase at specific temperatures and pressures. These limits are crucial in various fields, such as materials science and metallurgy, as they determine the formation of specific alloy compositions.
Conclusion:
In conclusion, a phase diagram is a powerful tool for understanding the equilibrium phases and their relative amounts under different temperature and pressure conditions. While it does not provide information on transformation rates (option A), it accurately represents the relative amounts of phases, melting points, and solid solubility limits, making it an essential tool in various scientific and engineering fields.
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Following is WRONG about a phase diagram:a)It gives information on tra...
5-Completely liquid phase exist for all
compositions in a b) Solvus c) Solidus
phase diagram above the line.
compositions in a b) Solvus c) Solidus
phase diagram above the line.
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Following is WRONG about a phase diagram:a)It gives information on transformation rates.b)Relative amount of different phases can be found under given equilibrium conditions.c)It indicates the temperature at which different phases start to melt.d)Solid solubility limits are depicted by it.Correct answer is option 'A'. Can you explain this answer?
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