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Which of the following are valid assumptions for stress calculations? Material is cohesive O Material is...
Question 1 Normal stress is directly proportional to the area over which a force acts. True...
Question 1 Normal stress is directly proportional to the area over which a force acts. True O False Question 2 Stress is indicated by the variable 07 ор o Question 3 What are the assumptions about a material necessary to use the results from the average normal stress calculation? O Cohesive Isotropic Brittle Homogeneous O Continuous
Question 33 Indicate the assumptions valid for transverse shear stress. Shear force must act along an...
Question 33 Indicate the assumptions valid for transverse shear stress. Shear force must act along an axis of symmetry for the cross section Prismatic members Linear elastic behavior Short or flat cross section Homogeneous material Question 34 Transverse shear stress is assumed to vary across the width of the cross section, perpendicular to shear force. O True False Question 35 Indicate the situations where the shear formula is not valid? Choose all that apply. Tall or thin cross section Points...
7) Which of the following is true? O The linear coefficient of thermal expansion is unique...
7) Which of the following is true? O The linear coefficient of thermal expansion is unique for each material (material property) O The displacement due to temperature is linearly related to the original length O Stress concentration factors relate the maximum stress to the average stress O Sharp corners should be avoided because they create stress concentrations. O All the above are true 8) Which of the following statements are true? O A simply supported beam which supports a load...
To calculate axial deformations using Hooke's Law it is important that the stress in the axial...
To calculate axial deformations using Hooke's Law it is important that the stress in the axial member exceed the proportional limit. O True O False Question 18 The principle of superposition is valid provided that (choose all that apply) Young's Modulus is small The loading is linearly related to the stress or displacement. Poisson's ratio y 30.4 The loading does not significantly change the original geometry of the member. Question 19 For axial deformations over segments where P, A, and...
need solution for milestones A Q1 Solid Mechanics 3 Assessment Task 1a - 2020 Milestone a...
need solution for milestones A Q1
Solid Mechanics 3 Assessment Task 1a - 2020 Milestone a Question 1. For each of the plane-stress conditions given below, construct a Mohr's circle of stress, find the principal stresses and the orientation of the principal axes relative to the xy axes and determine the stresses on an element, rotated in the x-y plane 60° counterclockwise from its original position: (a) dx = 200 MPa Oy - 300 MPa T .40 MPa (b) dx...
Name: 12. Which of the following represents the correct standard proctor test procedure? a. 3 soil...
Name: 12. Which of the following represents the correct standard proctor test procedure? a. 3 soil layers, with 30 blows per layer using a 5.5 lb hammer dropped a distance of 12 inches b. 3 soil layers, with 25 blows per layer using a 10 lb hammer dropped a distance of 12 inches c. 5 soll layers, with 30 blows per loyer using a 10 lb hammer dropped a distance of 10 inches d. 3 soll layers, with 25 blows...
Need help with stats true or false questions Decide (with short explanations) whether the following statements are true or false a) We consider the model y-Ao +A(z) +E. Let (-0.01, 1.5) be a 95% con...
Need help with stats true or false questions
Decide (with short explanations) whether the following statements are true or false a) We consider the model y-Ao +A(z) +E. Let (-0.01, 1.5) be a 95% confidence interval for A In this case, a t-test with significance level 1% rejects the null hypothesis Ho : A-0 against a two sided alternative. b) Complicated models with a lot of parameters are better for prediction then simple models with just a few parameters c)...
Question 1 An array is NOT: A - Made up of different data types. B - Subscripted by integers. C -...
Question 1 An array is NOT: A - Made up of different data types. B - Subscripted by integers. C - A consecutive group of memory chunks. D - None of the choices. Question 2 How many times is the body of the loop executed? int i=1; while(true) { cout << i; if(++i==5) break; } A - Forever B - 4 C - 5 D - 6 E - 0 Question 3 What is wrong with the following piece of...
Consider a cylindrical capacitor like that shown in Fig. 24.6. Let d = rb − ra...
Consider a cylindrical capacitor like that shown in Fig. 24.6. Let d = rb − ra be the spacing between the inner and outer conductors. (a) Let the radii of the two conductors be only slightly different, so that d << ra. Show that the result derived in Example 24.4 (Section 24.1) for the capacitance of a cylindrical capacitor then reduces to Eq. (24.2), the equation for the capacitance of a parallel-plate capacitor, with A being the surface area of...
First, read the article on "The Delphi Method for Graduate Research." ------ Article is posted below...
First, read the article on "The Delphi Method for Graduate Research." ------ Article is posted below Include each of the following in your answer (if applicable – explain in a paragraph) Research problem: what do you want to solve using Delphi? Sample: who will participate and why? (answer in 5 -10 sentences) Round one questionnaire: include 5 hypothetical questions you would like to ask Discuss: what are possible outcomes of the findings from your study? Hint: this is the conclusion....
Question 1 Normal stress is directly proportional to the area over which a force acts. True O False Question 2 Stress is indicated by the variable 07 ор o Question 3 What are the assumptions about a material necessary to use the results from the average normal stress calculation? O Cohesive Isotropic Brittle Homogeneous O Continuous
Question 33 Indicate the assumptions valid for transverse shear stress. Shear force must act along an axis of symmetry for the cross section Prismatic members Linear elastic behavior Short or flat cross section Homogeneous material Question 34 Transverse shear stress is assumed to vary across the width of the cross section, perpendicular to shear force. O True False Question 35 Indicate the situations where the shear formula is not valid? Choose all that apply. Tall or thin cross section Points...
7) Which of the following is true? O The linear coefficient of thermal expansion is unique for each material (material property) O The displacement due to temperature is linearly related to the original length O Stress concentration factors relate the maximum stress to the average stress O Sharp corners should be avoided because they create stress concentrations. O All the above are true 8) Which of the following statements are true? O A simply supported beam which supports a load...
To calculate axial deformations using Hooke's Law it is important that the stress in the axial member exceed the proportional limit. O True O False Question 18 The principle of superposition is valid provided that (choose all that apply) Young's Modulus is small The loading is linearly related to the stress or displacement. Poisson's ratio y 30.4 The loading does not significantly change the original geometry of the member. Question 19 For axial deformations over segments where P, A, and...
need solution for milestones A Q1
Solid Mechanics 3 Assessment Task 1a - 2020 Milestone a Question 1. For each of the plane-stress conditions given below, construct a Mohr's circle of stress, find the principal stresses and the orientation of the principal axes relative to the xy axes and determine the stresses on an element, rotated in the x-y plane 60° counterclockwise from its original position: (a) dx = 200 MPa Oy - 300 MPa T .40 MPa (b) dx...
Name: 12. Which of the following represents the correct standard proctor test procedure? a. 3 soil layers, with 30 blows per layer using a 5.5 lb hammer dropped a distance of 12 inches b. 3 soil layers, with 25 blows per layer using a 10 lb hammer dropped a distance of 12 inches c. 5 soll layers, with 30 blows per loyer using a 10 lb hammer dropped a distance of 10 inches d. 3 soll layers, with 25 blows...
Need help with stats true or false questions
Decide (with short explanations) whether the following statements are true or false a) We consider the model y-Ao +A(z) +E. Let (-0.01, 1.5) be a 95% confidence interval for A In this case, a t-test with significance level 1% rejects the null hypothesis Ho : A-0 against a two sided alternative. b) Complicated models with a lot of parameters are better for prediction then simple models with just a few parameters c)...
Consider a cylindrical capacitor like that shown in Fig. 24.6. Let d = rb − ra be the spacing between the inner and outer conductors. (a) Let the radii of the two conductors be only slightly different, so that d << ra. Show that the result derived in Example 24.4 (Section 24.1) for the capacitance of a cylindrical capacitor then reduces to Eq. (24.2), the equation for the capacitance of a parallel-plate capacitor, with A being the surface area of...
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