Homework Answers
Definition of plastic deformation. : a permanent deformation or change in shape of a solid body without fracture under the action of a sustained force small changes in the density of crystals due to plastic deformation.
When rocks deform by plastic deformation they can bend and fold. The process of folding occurs when rock is compressed, as it is along colliding plate boundaries.
Plastic deformation refers to bending in rocks.
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Folding occurs by a combination of plastic deformation and brittle fracture....
Plastic deformation in metals occurs through which of the following mechanisms? Select an answer and submit....
Plastic deformation in metals occurs through which of the following mechanisms? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a The simultaneous breaking of all bonds along a crystallographic plane b The step-by-step movement of point defects c The simultaneous breaking of all bonds along a grain boundary d The step-by-step movement of linear imperfections
6) Plastic deformation in a ductile machine ch question 10 points element causing separation into multiple...
6) Plastic deformation in a ductile machine ch question 10 points element causing separation into multiple pieces a. Ductile rupture b. Buckling c. Brittle fracture d. Fatigue 1) Plastic deformation amplified by high temperature operation over time a. Fretting b. Cavitation corrosion c. Creep d. Thermal shock stress e. Surface erosion Plastic deformation in a ductile machine element causing separation due to crack propagation a. Ductile rupture b. Fatigue c. Fretting d. Spalling 7) Static normal loads between two curved...
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Duct...
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Ductility can be measured as % reduction in area from broken tensile samples D Ductility is deformation in the elastic region E Ductility is the change between upper and lower yield point in steels Q22. Which one of the following statements is TRUE about Charpy impact...
The Tresca and von Mises yield criteria concern the yielding of materials by plastic deformation. Which...
The Tresca and von Mises yield criteria concern the yielding of
materials by plastic deformation. Which one of the
following statements concerning these criteria is
false?
Choose one of the following
options.
Select one or more:
Neither criterion is suitable for predicting failure by brittle
fracture.
The von Mises criterion is less conservative than the Tresca
criterion.
Both criteria are based on principal stress differences.
Neither criterion is suitable for predicting yield under
torsional stress.
Both criteria are empirical, based...
answer question 2 please A material may fail in many ways; in a ductile or brittle...
answer question 2 please
A material may fail in many ways; in a ductile or brittle mode; by creep or fatigue; by corrosion or stress corrosion; by hydrogen or liquid metal embrittlement; by slow tensile overload or by impact. An examination of the failure may tell you a lot about the material and the failure mode. In this course, you have learned (we trust) the correlations between structure-properties, - applications. This leads to material selection. However, the engineer has to...
UIZ ECC209 1.pdf Meet - mkh-mjvb-bkc X ownloads/QUIZ%20ECC209%201.pdf What are the characteristics that distinguish bulk deformation...
UIZ ECC209 1.pdf Meet - mkh-mjvb-bkc X ownloads/QUIZ%20ECC209%201.pdf What are the characteristics that distinguish bulk deformation processes from sheet metal processes? Answer.. 2. Extrusion is a fundamental shaping process. Describe it. Answer.. 3. Why is the term press working often used for sheet metal processes? Answer. 4. Indicate some of the advantages of cold working relative to warm and hot working. Answer. Multiple Choice Quiz 5. Which of the following are bulk deformation processes (more than one)? (a) bending, (b)...
I need all answered. PLEASE DO NOT answer if you Cant answer every question in the...
I
need all answered. PLEASE DO NOT answer if you Cant answer every
question in the picture. thank you very much.
LICABLE MULTIPLE CHOICE QUESTIONS: 1. Shear forces cause which one of the following? a. Strike-slip faults c. Reverse faults e. Thrust faults b. Normal faults d. Recumbent faults 2. Compressional stress can result in the formation of st faults c. Reverse faults e. Both a. and c. b. Horsts and grabens Rift valleys 3. Tensile forces cause which one...
Which of the following polymers is used in plastic bottles and plastic containers? Select one: a....
Which of the following polymers is used in plastic bottles and plastic containers? Select one: a. LDPE b. PVC c. Polystyrene d. HDPE e. Polypropylene
1. An incomplete fracture that commonly occurs in childrern a. greenstick b. Transverse c. Oblique d....
1. An incomplete fracture that commonly occurs in childrern a. greenstick b. Transverse c. Oblique d. Comminuted 2. A fracture that cuts across the bone at right angles to its long axis and is often caused by direct injury a. greenstick b. Transverse c. Impacted d. Comminuted 3. A fracture where the bone is fragmented into more than two pieces-splintered or crushed. a. Transverse b. Oblique c. Spiral d. Comminuted 4. What is the acronym that you should use to...
Question 71 pts What is an isotope? Group of answer choices An atom that has more...
Question 71 pts What is an isotope? Group of answer choices An atom that has more or fewer neutrons than it typically does An atom that has double the protons of a stable atom A nucleus of an atom that has split during the decay process An atom that has more or fewer electrons than it typically does Flag this Question Question 82 pts When the radiometric clock starts ticking in zircon minerals, there is 100% of the unstable radiometric...
6) Plastic deformation in a ductile machine ch question 10 points element causing separation into multiple pieces a. Ductile rupture b. Buckling c. Brittle fracture d. Fatigue 1) Plastic deformation amplified by high temperature operation over time a. Fretting b. Cavitation corrosion c. Creep d. Thermal shock stress e. Surface erosion Plastic deformation in a ductile machine element causing separation due to crack propagation a. Ductile rupture b. Fatigue c. Fretting d. Spalling 7) Static normal loads between two curved...
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Ductility can be measured as % reduction in area from broken tensile samples D Ductility is deformation in the elastic region E Ductility is the change between upper and lower yield point in steels Q22. Which one of the following statements is TRUE about Charpy impact...
The Tresca and von Mises yield criteria concern the yielding of
materials by plastic deformation. Which one of the
following statements concerning these criteria is
false?
Choose one of the following
options.
Select one or more:
Neither criterion is suitable for predicting failure by brittle
fracture.
The von Mises criterion is less conservative than the Tresca
criterion.
Both criteria are based on principal stress differences.
Neither criterion is suitable for predicting yield under
torsional stress.
Both criteria are empirical, based...
answer question 2 please
A material may fail in many ways; in a ductile or brittle mode; by creep or fatigue; by corrosion or stress corrosion; by hydrogen or liquid metal embrittlement; by slow tensile overload or by impact. An examination of the failure may tell you a lot about the material and the failure mode. In this course, you have learned (we trust) the correlations between structure-properties, - applications. This leads to material selection. However, the engineer has to...
UIZ ECC209 1.pdf Meet - mkh-mjvb-bkc X ownloads/QUIZ%20ECC209%201.pdf What are the characteristics that distinguish bulk deformation processes from sheet metal processes? Answer.. 2. Extrusion is a fundamental shaping process. Describe it. Answer.. 3. Why is the term press working often used for sheet metal processes? Answer. 4. Indicate some of the advantages of cold working relative to warm and hot working. Answer. Multiple Choice Quiz 5. Which of the following are bulk deformation processes (more than one)? (a) bending, (b)...
I
need all answered. PLEASE DO NOT answer if you Cant answer every
question in the picture. thank you very much.
LICABLE MULTIPLE CHOICE QUESTIONS: 1. Shear forces cause which one of the following? a. Strike-slip faults c. Reverse faults e. Thrust faults b. Normal faults d. Recumbent faults 2. Compressional stress can result in the formation of st faults c. Reverse faults e. Both a. and c. b. Horsts and grabens Rift valleys 3. Tensile forces cause which one...
1. An incomplete fracture that commonly occurs in childrern a. greenstick b. Transverse c. Oblique d. Comminuted 2. A fracture that cuts across the bone at right angles to its long axis and is often caused by direct injury a. greenstick b. Transverse c. Impacted d. Comminuted 3. A fracture where the bone is fragmented into more than two pieces-splintered or crushed. a. Transverse b. Oblique c. Spiral d. Comminuted 4. What is the acronym that you should use to...
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