Question 25 Corrosion in microscopic sense happen by both oxidation and reduction reaction that occurs randomly over the metal surface. True False
Homework Answers
The above statement is true
Corrosion in microscopic sense happen by both oxidation and reduction reaction that occurs randomly over the metal surface
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Question 24 is a measure of metal's resistance to brittle or fast fracture in the presence...
Click Submit to complete this assessment. Question 42 Brittle fracture characteristics may include:(select only four answers)...
Click Submit to complete this assessment. Question 42 Brittle fracture characteristics may include:(select only four answers) a. shows flat surface fracture b. unstable fracture c. shows cup and cone fracture d. stable fracture e. happen relatively slow O f. absorb higher strain energy g. absorb low strain energy h. happen rapidly L AMoving to another question will save this response.. Question 36 is a measure of metal's resistance to brittle or fast fracture in the presence of a flaw or...
Click Submit to complete this assessment. Question 42 Brittle fracture characteristics may include:(select only four answers)...
Click Submit to complete this assessment. Question 42 Brittle fracture characteristics may include:(select only four answers) a. shows flat surface fracture b. unstable fracture c. shows cup and cone fracture d. stable fracture e. happen relatively slow O f. absorb higher strain energy g. absorb low strain energy h. happen rapidly L AMoving to another question will save this response.. Question 36 is a measure of metal's resistance to brittle or fast fracture in the presence of a flaw or...
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...
Question 9 (12 marks) a) Both beachmarks and striations are fatigue fracture surface features that have...
Question 9 (12 marks) a) Both beachmarks and striations are fatigue fracture surface features that have similar appearance, however, they striations and beachmarks in terms of (1) size and (2) origin, respectively. (4 marks) are different. Briefly explain the difference between fatigue b) List four measures that may be taken to increase the resistance to fatigue of a metal alloy. (4 marks) The impact test (or Charpy test) can be used to determine whether or not a material experiences c)...
hep with question 3 please A material may fail in many ways; in a ductile or...
hep with question 3 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...
help with question 4 please. there are two samples given with two different pictures of each...
help with question 4 please.
there are two samples given with two different pictures of
each
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,...
help with question 5 please. there are two samples given with two different pictures of each....
help with question 5 please.
there are two samples given with two different pictures of
each.
all
of the information to solve is given
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...
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...
Please answer all questions, thank you. Re-crystallization restores softness and ductility and decreases tensile strength. Question...
Please answer all questions, thank you.
Re-crystallization restores softness and ductility and decreases tensile strength. Question 7 Not yet answered Points out of 1.00 Select one: O True o False P Flag question Question 8 Hardness and strength in steel originate from the presence of Perlite (which contain iron and iron carbide) grains while ductility originates from ferrite grains. Not yet answered Points out of 1.00 Select one: O True O False Flag question Question 9 Not yet answered A...
Click Submit to complete this assessment. Question 42 Brittle fracture characteristics may include:(select only four answers) a. shows flat surface fracture b. unstable fracture c. shows cup and cone fracture d. stable fracture e. happen relatively slow O f. absorb higher strain energy g. absorb low strain energy h. happen rapidly L AMoving to another question will save this response.. Question 36 is a measure of metal's resistance to brittle or fast fracture in the presence of a flaw or...
Click Submit to complete this assessment. Question 42 Brittle fracture characteristics may include:(select only four answers) a. shows flat surface fracture b. unstable fracture c. shows cup and cone fracture d. stable fracture e. happen relatively slow O f. absorb higher strain energy g. absorb low strain energy h. happen rapidly L AMoving to another question will save this response.. Question 36 is a measure of metal's resistance to brittle or fast fracture in the presence of a flaw or...
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...
Question 9 (12 marks) a) Both beachmarks and striations are fatigue fracture surface features that have similar appearance, however, they striations and beachmarks in terms of (1) size and (2) origin, respectively. (4 marks) are different. Briefly explain the difference between fatigue b) List four measures that may be taken to increase the resistance to fatigue of a metal alloy. (4 marks) The impact test (or Charpy test) can be used to determine whether or not a material experiences c)...
hep with question 3 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...
help with question 4 please.
there are two samples given with two different pictures of
each
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,...
help with question 5 please.
there are two samples given with two different pictures of
each.
all
of the information to solve is given
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...
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...
Please answer all questions, thank you.
Re-crystallization restores softness and ductility and decreases tensile strength. Question 7 Not yet answered Points out of 1.00 Select one: O True o False P Flag question Question 8 Hardness and strength in steel originate from the presence of Perlite (which contain iron and iron carbide) grains while ductility originates from ferrite grains. Not yet answered Points out of 1.00 Select one: O True O False Flag question Question 9 Not yet answered A...
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