Homework Answers
Phase equilibrium exists between or within 2 states of matter (solid,liquid or gas).Two or more phases are in equilibrium if they have equality of temperature in each phase, equality of pressure in each phase and equality of chemical potential of each component in each phase.
Metastable phase range from melting solids (or freezing liquids), boiling liquids (or condensing gases) and sublimating solids to supercooled liquids or superheated liquid-gas mixtures. Extremely pure, supercooled water stays liquid below 0 °C and remains so until applied vibrations or condensing seed doping initiates crystallization centers. This is a common situation for the droplets of atmospheric clouds.
Three variables that determines the microstructure of an alloy are :
(1) The alloying elements present
(2) The concentrations of these alloying elements
(3) The heat treatment of the alloy.
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1. Explain the difference between phase equilibrium and metastable phase. 2. Give three variables that determine...
5. Explain the difference between a Nash equilibrium and a dominant strategies equilibrium. Give an example...
5. Explain the difference between a Nash equilibrium and a dominant strategies equilibrium. Give an example to show how the prisoners' dilemma helps to explain behaviour. 6. Why might a firm set prices based on a markup above average cost rather than equalising marginal costs and marginal benefits? 7. Using a diagram, explain how an external cost of production (i.e. a negative production externality) can be internalised with a tax. |8. Explain the conditions of price discrimination. Give two examples...
In the Al-Cu phase diagram, determine what phases are present in the binary areas (white area). D...
In the Al-Cu phase diagram, determine what phases are present
in the binary areas (white area).
Determine all the phase transformations happened in the
following phase diagram.
For a 20 wt% Cu alloy at 500 oC, determine: The phases
present
The phase compositions
The fraction of each phase
Draw microstructure of this alloy at 700 oC, 560 oC and 300
oC.
We are interested to design an alloy with heat treatable
characteristics. Please suggest a composition range and explain
why?...
Discuss the difference between saving and investing. Give three different options to invest. Explain the difference...
Discuss the difference between saving and investing. Give three different options to invest. Explain the difference between investing in stocks, bonds, mutual funds, IRAs, and 401 Ks. How do you plan to invest for your retirement? When should you start planning for retirement?
1) Explain, with examples, the difference between equilibrium and compatibility torsion.
1) Explain, with examples, the difference between equilibrium and compatibility torsion.
what is the difference between poisson processes and poisson distribution? 1. Please explain the conception 2....
what is the difference between poisson processes and poisson distribution? 1. Please explain the conception 2. Please give me two example, one for poisson processes and one for poisson distribution. they can be a problem 3. please explain the difference between two examples. Follow the comment please
1.Use the inverse lever rule to determine the mass fraction of each phase at location a...
1.Use the inverse lever rule to determine the mass fraction of each
phase at location
a
and write a description of the microstructure.
2.
Use the inverse lever rule to determine the mass fraction of each
phase at location
b
and write a description of the microstructure.
3.
Use the inverse lever rule to determine the mass fraction of each
phase at location
c
and write a description of the microstructure.
4.
Use the inverse lever rule to determine the...
Explain TWO (2) difference between LLP and a conventional corporation in terms of statutory compliance requirement. Give an example for each difference.
Explain TWO (2) difference between LLP and a conventional corporation in terms of statutory compliance requirement. Give an example for each difference.
Explain two different methods that can be used to measure the phase angle difference between two...
Explain two different methods that can be used to measure the phase angle difference between two sinusoidal functions with the same frequency using an oscilloscope.
Chapter 9 1. What is the magnitude of the maximum stress that exists at the tip of an internal cr...
Chapter 9 1. What is the magnitude of the maximum stress that exists at the tip of an internal crack having a radius of curvature of 2.5 x 10-4 mm (10-5 in.) and a crack length of 2.5 x 10-2 mm (10-3 in.) when a tensile stress of 170 MPa (25,000 psi) is applied? 2. A large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 55 MPa m (50 ksi in.). If the plate is...
1. Give three examples of diversity in addition to age and gender 2. Explain how bias...
1. Give three examples of diversity in addition to age and gender 2. Explain how bias can result in health care disparities for members of minority cultural groups. 3. List two things to do when cultural tension arises. 4. Explain why health care workers need to be culturally competent. 5. Describe the difference between stereotypes and generalizations. 6. Explain what is meant by the cultural competence continuum.
5. Explain the difference between a Nash equilibrium and a dominant strategies equilibrium. Give an example to show how the prisoners' dilemma helps to explain behaviour. 6. Why might a firm set prices based on a markup above average cost rather than equalising marginal costs and marginal benefits? 7. Using a diagram, explain how an external cost of production (i.e. a negative production externality) can be internalised with a tax. |8. Explain the conditions of price discrimination. Give two examples...
In the Al-Cu phase diagram, determine what phases are present
in the binary areas (white area).
Determine all the phase transformations happened in the
following phase diagram.
For a 20 wt% Cu alloy at 500 oC, determine: The phases
present
The phase compositions
The fraction of each phase
Draw microstructure of this alloy at 700 oC, 560 oC and 300
oC.
We are interested to design an alloy with heat treatable
characteristics. Please suggest a composition range and explain
why?...
1) Explain, with examples, the difference between equilibrium and compatibility torsion.
1.Use the inverse lever rule to determine the mass fraction of each
phase at location
a
and write a description of the microstructure.
2.
Use the inverse lever rule to determine the mass fraction of each
phase at location
b
and write a description of the microstructure.
3.
Use the inverse lever rule to determine the mass fraction of each
phase at location
c
and write a description of the microstructure.
4.
Use the inverse lever rule to determine the...
Explain two different methods that can be used to measure the phase angle difference between two sinusoidal functions with the same frequency using an oscilloscope.
Chapter 9 1. What is the magnitude of the maximum stress that exists at the tip of an internal crack having a radius of curvature of 2.5 x 10-4 mm (10-5 in.) and a crack length of 2.5 x 10-2 mm (10-3 in.) when a tensile stress of 170 MPa (25,000 psi) is applied? 2. A large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 55 MPa m (50 ksi in.). If the plate is...
1. Give three examples of diversity in addition to age and gender 2. Explain how bias can result in health care disparities for members of minority cultural groups. 3. List two things to do when cultural tension arises. 4. Explain why health care workers need to be culturally competent. 5. Describe the difference between stereotypes and generalizations. 6. Explain what is meant by the cultural competence continuum.
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