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5. Circle true of false for the following statements: T The resistance ofa material to indentation...
(30 points) From the stress-strain chart for a unknown material determine thoe following 400 a) The...
(30 points) From the stress-strain chart for a unknown material determine thoe following 400 a) The modulus of elasticity b) The yield strength at a strain offset of 0.002 c) Tensile strength d) The Ductility (percentage of 300 200 elongation, %EL) e) The Modulus of resilience f) Strain at 350 Mpa stress g) Strain at 150 Mpa stress 200 100 100 0.005 0.30 0.40 0.10 trein 0.20
5. EVALUATION I. Create a stress-strain diagram for the measured values in table 1 and identify...
5. EVALUATION I. Create a stress-strain diagram for the measured values in table 1 and identify the mechanical properties of the material. (4 marks) II. Identify the following and label them in the graph. (12 marks) • Young's modulus Yield strength Elongation Ultimate tensile strength THEORETICAL BACKGROUND Equations: Cross-sectional Area (A) Modulus of Elasticity (E) Tensile Strength (ST) Percent Elongation (%EL) d? E = Sy Ey Sr Pu А %EL Extension at fracture Gauge Length Where: A: Cross- Sectional Area...
Objective: Learn how to apply and use Excel spreadsheets in data post-processing Emphasize on axial stress...
Objective: Learn how to apply and use Excel spreadsheets in data post-processing Emphasize on axial stress in tensile test and ductile-to-brittle transition for material selection and design. Solve the below problems with Microsoft Excel. - Create a summarized file report containing your Name, ID, answers and figures. -Label correctly your graphs-axis-titles and employ the correct units. Convert your file to PDF and submit individually on BBlearn Problem 1 A specimen of magnesium having a rectangular cross-section of dimensions 3.2 mm...
5. A cylindrical specimen of aluminum having a diameter of 12.8 mm and a gauge length...
5. A cylindrical specimen of aluminum having a diameter of 12.8 mm and a gauge length of 50.800 mm is pulled in tension. Use the load-elongation characteristics tabulated below to complete parts (a) through (f). Use SI unit system. Load Length 0 7330 15,100 23,100 30,400 34,400 38,400 41,300 44,800 46,200 47,300 47,500 46,100 44,800 42,600 36,400 lb 0 1650 3,400 5,200 6,850 7,750 8,650 9,300 10,100 10,400 10,650 10,700 10,400 10,100 9,600 mim 50.800 50.851 50.902 50.952 51.003 51.054...
1. True or False? If false correct the statement to be true. (1 mark for T;...
1. True or False? If false correct the statement to be true. (1 mark for T; 1 mark for F + 1 mark for correction) (20) Example: T F Today is Tuesday Saturday TF There are 3 atoms per unit cell in any body centered cubic unit cell. I F Binding energy is indirectly proportional to the melting point. TF Thermal vacancies exist due to the increase in entropy they produce. TF Units of diffusivity are atoms/s. TF Defects and...
Geotechnical engineering 2 heher the following statements are True (T) or False (F) resistance decreases with...
Geotechnical engineering
2 heher the following statements are True (T) or False (F) resistance decreases with an increase in the plasticity index of clay. The Coarse grained soils are formed by chemical weathering of rocks. 2) ratio in coarse grained soils are generally greater than that in fine grained soil. 3) Values of void in 4) Consistency 5) As the void ratio of a soil decreases, its strength increases. 6) The liquid limit of a soil cannot exceed 100% .[...
1. Circle whether the following statements are true (T) or false (F). (2 mark each, total:...
1. Circle whether the following statements are true (T) or false (F). (2 mark each, total: 32) I F Substitutional atoms replace the solvent atoms in a unit cell F F Increasing grain size will increase the yield strength. F Growth of a phase is a thermally activated process. T F Spheroidizing results in coarse precipitates. TF Hot working requires less energy for plastic deformation than cold working F F A eutectoid reaction can be written as: Le Solid 1...
butirnu (20%) ) for each of the following 10 statements (2 marks each). of the Circle T (true) or F (false) xand y...
butirnu (20%) ) for each of the following 10 statements (2 marks each). of the Circle T (true) or F (false) xand y be two normal variables with mean values of μ. and μ. and standard deviationsoro, and ob respectively. The standard deviatice of y.yisơ (I)T F Let x be a normal variable with a mean of"nd standard deviation ofơ. The standard deviation of y-xls (2) TF 3 T F Ina Bemoulli sequence, the probability of a success event is...
butirnu (20%) ) for each of the following 10 statements (2 marks each). of the Circle T (true) or F (false) xand y...
butirnu (20%) ) for each of the following 10 statements (2 marks each). of the Circle T (true) or F (false) xand y be two normal variables with mean values of μ. and μ. and standard deviationsoro, and ob respectively. The standard deviatice of y.yisơ (I)T F Let x be a normal variable with a mean of"nd standard deviation ofơ. The standard deviation of y-xls (2) TF 3 T F Ina Bemoulli sequence, the probability of a success event is...
butirnu (20%) ) for each of the following 10 statements (2 marks each). of the Circle T (true) or F (false) xand y...
butirnu (20%) ) for each of the following 10 statements (2 marks each). of the Circle T (true) or F (false) xand y be two normal variables with mean values of μ. and μ. and standard deviationsoro, and ob respectively. The standard deviatice of y.yisơ (I)T F Let x be a normal variable with a mean of"nd standard deviation ofơ. The standard deviation of y-xls (2) TF 3 T F Ina Bemoulli sequence, the probability of a success event is...
(30 points) From the stress-strain chart for a unknown material determine thoe following 400 a) The modulus of elasticity b) The yield strength at a strain offset of 0.002 c) Tensile strength d) The Ductility (percentage of 300 200 elongation, %EL) e) The Modulus of resilience f) Strain at 350 Mpa stress g) Strain at 150 Mpa stress 200 100 100 0.005 0.30 0.40 0.10 trein 0.20
5. EVALUATION I. Create a stress-strain diagram for the measured values in table 1 and identify the mechanical properties of the material. (4 marks) II. Identify the following and label them in the graph. (12 marks) • Young's modulus Yield strength Elongation Ultimate tensile strength THEORETICAL BACKGROUND Equations: Cross-sectional Area (A) Modulus of Elasticity (E) Tensile Strength (ST) Percent Elongation (%EL) d? E = Sy Ey Sr Pu А %EL Extension at fracture Gauge Length Where: A: Cross- Sectional Area...
Objective: Learn how to apply and use Excel spreadsheets in data post-processing Emphasize on axial stress in tensile test and ductile-to-brittle transition for material selection and design. Solve the below problems with Microsoft Excel. - Create a summarized file report containing your Name, ID, answers and figures. -Label correctly your graphs-axis-titles and employ the correct units. Convert your file to PDF and submit individually on BBlearn Problem 1 A specimen of magnesium having a rectangular cross-section of dimensions 3.2 mm...
5. A cylindrical specimen of aluminum having a diameter of 12.8 mm and a gauge length of 50.800 mm is pulled in tension. Use the load-elongation characteristics tabulated below to complete parts (a) through (f). Use SI unit system. Load Length 0 7330 15,100 23,100 30,400 34,400 38,400 41,300 44,800 46,200 47,300 47,500 46,100 44,800 42,600 36,400 lb 0 1650 3,400 5,200 6,850 7,750 8,650 9,300 10,100 10,400 10,650 10,700 10,400 10,100 9,600 mim 50.800 50.851 50.902 50.952 51.003 51.054...
1. True or False? If false correct the statement to be true. (1 mark for T; 1 mark for F + 1 mark for correction) (20) Example: T F Today is Tuesday Saturday TF There are 3 atoms per unit cell in any body centered cubic unit cell. I F Binding energy is indirectly proportional to the melting point. TF Thermal vacancies exist due to the increase in entropy they produce. TF Units of diffusivity are atoms/s. TF Defects and...
Geotechnical engineering
2 heher the following statements are True (T) or False (F) resistance decreases with an increase in the plasticity index of clay. The Coarse grained soils are formed by chemical weathering of rocks. 2) ratio in coarse grained soils are generally greater than that in fine grained soil. 3) Values of void in 4) Consistency 5) As the void ratio of a soil decreases, its strength increases. 6) The liquid limit of a soil cannot exceed 100% .[...
1. Circle whether the following statements are true (T) or false (F). (2 mark each, total: 32) I F Substitutional atoms replace the solvent atoms in a unit cell F F Increasing grain size will increase the yield strength. F Growth of a phase is a thermally activated process. T F Spheroidizing results in coarse precipitates. TF Hot working requires less energy for plastic deformation than cold working F F A eutectoid reaction can be written as: Le Solid 1...
butirnu (20%) ) for each of the following 10 statements (2 marks each). of the Circle T (true) or F (false) xand y be two normal variables with mean values of μ. and μ. and standard deviationsoro, and ob respectively. The standard deviatice of y.yisơ (I)T F Let x be a normal variable with a mean of"nd standard deviation ofơ. The standard deviation of y-xls (2) TF 3 T F Ina Bemoulli sequence, the probability of a success event is...
butirnu (20%) ) for each of the following 10 statements (2 marks each). of the Circle T (true) or F (false) xand y be two normal variables with mean values of μ. and μ. and standard deviationsoro, and ob respectively. The standard deviatice of y.yisơ (I)T F Let x be a normal variable with a mean of"nd standard deviation ofơ. The standard deviation of y-xls (2) TF 3 T F Ina Bemoulli sequence, the probability of a success event is...
butirnu (20%) ) for each of the following 10 statements (2 marks each). of the Circle T (true) or F (false) xand y be two normal variables with mean values of μ. and μ. and standard deviationsoro, and ob respectively. The standard deviatice of y.yisơ (I)T F Let x be a normal variable with a mean of"nd standard deviation ofơ. The standard deviation of y-xls (2) TF 3 T F Ina Bemoulli sequence, the probability of a success event is...
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