numercal
Discuss the type of stresses that occur when two gears mate with each other, write the equations for these stresses and define each term in the equations. How will you compare which stress is more threatening to the failure of gears?
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Compare and contrast spur, helical, spiroid, hypoid, spiral, bevel and worm gears. What are the advantages/disadvantages...
Compare and contrast spur, helical, spiroid, hypoid, spiral, bevel and worm gears. What are the advantages/disadvantages of each? When and/or where would you use each type? There are 5 types of clutches. List them, and compare/contrast, listing the application uses for each type. Explain the two types of brakes - disc and drums. Which is more susceptible to changes in coefficient of function and why? Look at these two examples of couplings. Which of these is more suitable for a...
c) A borehole was drilled into unfractured rock, where the virgin rock has principal stresses of...
c) A borehole was drilled into unfractured rock, where the virgin rock has principal stresses of σ1-100 MPa, σ2-50 MPa, σ3-25 MPa. The major principal stress is vertical, and the borehole was drilled parallel to the direction of the intermediate principal stress. Sketch a cross-section of the borehole, and indicate positions and values of any stresses which you can calculate. Where would you expect shear-type failure, and where would you expect tensile-type failure. Explain whether either types of failure likely...
For the following 10 questions, indicate if the statement is true or false by circling T...
For the following 10 questions, indicate if the statement is true or false by circling T or F. Provide any explanation and assumptions if needed. (1) T or F: No shear stress can occur on the planes carrying max and min normal stress. 2) T or F: If a material element is in plane stress, two normal stress components are always equal to each other if this is the plane of maximum shear stress. (3) T or F: No normal...
Module 9 Concept Questions Version 3.0 August 2019 Concept Questions for Module 9 Your Name: Instructor's...
Module 9 Concept Questions Version 3.0 August 2019 Concept Questions for Module 9 Your Name: Instructor's Name: 1) [9.5] Applications to interest: interpreting unusual answers. Mike plans to invest money in two savings accounts. One earns 5% annual interest and the other earns 7% annual interest. He plans to invest a total of $4000 in the two accounts, and wants to earn total interest of $320. How much would he need to invest in each account? a) Clearly define two...
Three samples of the same depleted reservoir formation were analyzed using conventional tri-axial cell and the...
Three samples of the same depleted reservoir formation were analyzed using conventional tri-axial cell and the results of axial and radial stresses at the point of failure are reported below: (30 Marks) Sample Sample Radial Stress (MPa) Axial Stress (MPa) 1 0.358 8 2 1.052 10 3 1.692 12 (a) Using graphical representation of Mohr circles determine the value of cohesion and internal friction angle of this formation. You must draw the circles and failure criteria into exact scale and...
DO QUESTION TWO ( 2 ) all parts following table. Specimen Effective NormalShear Stress at Failure Stress (psf(psf)...
DO QUESTION TWO ( 2 ) all parts
following table. Specimen Effective NormalShear Stress at Failure Stress (psf(psf) 500 1000 2000 385 750 1510 1. Interpretation of direct shear test results (7 pts) Plot the three data points (A, B, and C) and determine the effective stress friction angle, If you decide to perform another test with an effective normal stress of 1500 psf, what do you predict the shear stress at failure will be? a. for the soil. b....
In the figure below, a rotating shaft (for speed reducing gearbox) is subjected to radial forces at A= 400 lbr
In the figure below, a rotating shaft (for speed reducing gearbox) is subjected to radial forces at A= 400 lbr .and at C = 800 Ibr. These radial forces are caused by spur gears mounted to shaft (a result of the pressure angle of the teeth, 20 degrees) that mesh with 2 other spur gears, not shown. Also, The shaft transmits a constant torque of 11110 in-lbr (925 ft-lbr) due to the tangential force (Wt: transmitted load) at C of...
A simply supported prismatic beam is loaded with a load applied at an angle at point...
A simply supported prismatic beam is loaded with a load applied at an angle at point F as shown below The beams connecting points CE and EF can be considered rigid (l-very large). The magnitude of the applied load P is 75kN. NOTE: You must use your student number to calculate the magnitude of the angle, α, and the length EF using the expressions below. The angle, α, is given in degrees and the unit for length EF is m...
Please only answer if you have good personal understanding of problem. i rate. include relevant d...
please only answer if you have good personal understanding of
problem. i rate. include relevant drawing and details for
understanding
Problem 8 Consolidated undrained triaxial tests for two similar specimens with different con- solidation stresses were performed and the data in Figure 11.21 is obtained, which includes pore water pressure measurements. Plot Mohr's circles at failure for two specimens in both the total stress and in the effective stress and determine the shear strength parameters c and ф from the...
The cantilever beam shown in the figure is subjected to a distributed shear stress oon the upper face. The following Airy stress function is proposed for this problem Determine the constants c and fi...
The cantilever beam shown in the figure is subjected to a distributed shear stress oon the upper face. The following Airy stress function is proposed for this problem Determine the constants c and find the stress distribution in the beam. Use resultant force boundary conditions at the ends. (Answer: C1-ToC/12/, С2-Tp/201.c3- -to/24cl,...) TOXI Suggested process is as follows: (a) Write out the boundary conditions using St. Venant's principle for the semi-inverse (b) Write the stress field corresponding to the Airy...
Compare and contrast spur, helical, spiroid, hypoid, spiral, bevel and worm gears. What are the advantages/disadvantages of each? When and/or where would you use each type? There are 5 types of clutches. List them, and compare/contrast, listing the application uses for each type. Explain the two types of brakes - disc and drums. Which is more susceptible to changes in coefficient of function and why? Look at these two examples of couplings. Which of these is more suitable for a...
c) A borehole was drilled into unfractured rock, where the virgin rock has principal stresses of σ1-100 MPa, σ2-50 MPa, σ3-25 MPa. The major principal stress is vertical, and the borehole was drilled parallel to the direction of the intermediate principal stress. Sketch a cross-section of the borehole, and indicate positions and values of any stresses which you can calculate. Where would you expect shear-type failure, and where would you expect tensile-type failure. Explain whether either types of failure likely...
For the following 10 questions, indicate if the statement is true or false by circling T or F. Provide any explanation and assumptions if needed. (1) T or F: No shear stress can occur on the planes carrying max and min normal stress. 2) T or F: If a material element is in plane stress, two normal stress components are always equal to each other if this is the plane of maximum shear stress. (3) T or F: No normal...
Module 9 Concept Questions Version 3.0 August 2019 Concept Questions for Module 9 Your Name: Instructor's Name: 1) [9.5] Applications to interest: interpreting unusual answers. Mike plans to invest money in two savings accounts. One earns 5% annual interest and the other earns 7% annual interest. He plans to invest a total of $4000 in the two accounts, and wants to earn total interest of $320. How much would he need to invest in each account? a) Clearly define two...
DO QUESTION TWO ( 2 ) all parts
following table. Specimen Effective NormalShear Stress at Failure Stress (psf(psf) 500 1000 2000 385 750 1510 1. Interpretation of direct shear test results (7 pts) Plot the three data points (A, B, and C) and determine the effective stress friction angle, If you decide to perform another test with an effective normal stress of 1500 psf, what do you predict the shear stress at failure will be? a. for the soil. b....
A simply supported prismatic beam is loaded with a load applied at an angle at point F as shown below The beams connecting points CE and EF can be considered rigid (l-very large). The magnitude of the applied load P is 75kN. NOTE: You must use your student number to calculate the magnitude of the angle, α, and the length EF using the expressions below. The angle, α, is given in degrees and the unit for length EF is m...
please only answer if you have good personal understanding of
problem. i rate. include relevant drawing and details for
understanding
Problem 8 Consolidated undrained triaxial tests for two similar specimens with different con- solidation stresses were performed and the data in Figure 11.21 is obtained, which includes pore water pressure measurements. Plot Mohr's circles at failure for two specimens in both the total stress and in the effective stress and determine the shear strength parameters c and ф from the...
The cantilever beam shown in the figure is subjected to a distributed shear stress oon the upper face. The following Airy stress function is proposed for this problem Determine the constants c and find the stress distribution in the beam. Use resultant force boundary conditions at the ends. (Answer: C1-ToC/12/, С2-Tp/201.c3- -to/24cl,...) TOXI Suggested process is as follows: (a) Write out the boundary conditions using St. Venant's principle for the semi-inverse (b) Write the stress field corresponding to the Airy...
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