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Question 2 30 Posts The principal normal stresses of a machine member are as follows: 0...
Please help with this mechanical engineering machine design homework. Please show all work! Thanks 1) Using...
Please help with this mechanical engineering machine design
homework. Please show all work! Thanks
1) Using typical values for strength of ASTM No. 40 cast iron, find the factor of safety corresponding to fracture by the maximum normal stress theory, the Coulomb-Mohr theory and the modified Mohr theory for each of the following stress states: (a) 0x = 10 ksi, oy = -4 ksi (b) Ox = 10 ksi, Txy = 4 ksi (c) Ox = -2 ksi, oy =...
Question 3 e stress element is obtained from the critical section of a machine member made...
Question 3 e stress element is obtained from the critical section of a machine member made of ASTM Class 40 Gray Cast Iron. Find the factor of safety using the Modified Mohr 1 Theory 18Ksi 9ksi
Design of Machine Elements PROBLEM 1: A stationary shaft of 1-in-diameter and pulley subjected to a...
Design of Machine Elements
PROBLEM 1: A stationary shaft of 1-in-diameter and pulley subjected to a 2000-lb static load. Determine the following: (70 pts) 1) 2) 3) 4) 5) 6) 7) Bending Stress of Point A Transverse Shear of Point A Torsion Shear of Point A Principal stresses of Point A (o, ?2, and What is the safety factor using the Maximum Normal Stress Theory? What is the safety factor using the Maximum Shear Stress Theory? What is the safety...
QUESTION1 vielding or permanent deformation is a pronounced sliding along certain angular planes in the material...
QUESTION1 vielding or permanent deformation is a pronounced sliding along certain angular planes in the material True False QUESTION 2 The maximuth normal stress theory of failure is the only theory to be used for brittle materials True False QUESTION 3 In order to apply one of the failure theories to estimate the factor of safety, we have to ouse the state of stress find the principal stresses calculate the maximum shear stress e use the ultimate strength of the...
3. A [0/90]s graphite/epoxy laminate is subjected to a tensile normal load of 1N/m in the x- dire...
3. A [0/90]s graphite/epoxy laminate is subjected to a tensile normal load of 1N/m in the x- direction (the direction parallel to the fibers in the 0° ply). Assume the thickness of each ply is 5 mm and use properties of unidirectional graphite/epoxy lamina from the table. a) Calculate the resultant strains of the laminate b) Calculate the global stresses in the laminate c) Calculate the principal stresses (stresses in material directions) of the top layer. Typical Mechanical Properties of...
4. A structural member is subjected to combined loading so that the stress as shown in...
4. A structural member is subjected to combined loading so that the stress as shown in Fig. P4 occurs at a critical point. The tensile yield strength of the material is 300 MPa. What will be the safety factor according to maximum shearing stress theory? (a) 2.98, (b) 2.58, (c) 1.58, (d) 2.08, (e) none of above 120 50 30 50 80 20 MPa 30 20 10 Fig. 24
4. A structural member is subjected to combined loading so that the stress as shown in...
4. A structural member is subjected to combined loading so that the stress as shown in Fig. P4 occurs at a critical point. The tensile yield strength of the material is 300 MPa. What will be the safety factor according to maximum shearing stress theory? (a) 2.98. (b) 2.58, (c) 1.58, (d) 2.08, (e) none of above 120 50 30 50 80 20 MPa 30 20 10 Fig. P4
Will rate, thank you Assume a plane stress load case for the double lap (double plate)...
Will rate, thank you
Assume a plane stress load case for the double lap (double plate) joint for three plates. Plate is sandwiched by Plate 2 and Plate 3. They are joined by a fastener. Assume that Plate 2 and Plate 1 are subjected to axial loads of 10,000 lbs and 12,000 lbs respectively. Furthermore there is an external axial load T of 1000 lbs acting on the fastener The bar has a length of 15 inches, a height of...
The JT100 horizontal directional drilling machine applies 220 hp and rotates drill pipe at 100 rp...
The JT100 horizontal directional drilling machine applies 220 hp and rotates drill pipe at 100 rpm. During the drilling process, a drill pipe is subjected to the following axial and bending loads 30.0 Axial load, P, of 100 kips 0.70 ft-kips bending load, M, in the y-z plane at 30 degrees from the vertical axis The drill pipe, which is made of AISI 4130 steel, has the following dimensions and material properties (Ref. MIL-HDBK-5J, Table 2.3.1.0(c1)) » Length, L 177-in...
Problem 2: (34 pts) For the cylindrical tube (outer radius R. 100mm, initial thickness 1mm before...
Problem 2: (34 pts) For the cylindrical tube (outer radius R. 100mm, initial thickness 1mm before loadings, length 1m) fixed at one end on the wall, an axial loading F = 1000 N and a torsional loading T = 100 N-m are applied. Assuming linear elasticity. Young's modulus E-1 GPa and Poisson ratio v = 0.33. (T = **where ) = (R: - R ) is the polar moment of inertia) a) Calculate the stress state (Cro, and Try) of...
Please help with this mechanical engineering machine design
homework. Please show all work! Thanks
1) Using typical values for strength of ASTM No. 40 cast iron, find the factor of safety corresponding to fracture by the maximum normal stress theory, the Coulomb-Mohr theory and the modified Mohr theory for each of the following stress states: (a) 0x = 10 ksi, oy = -4 ksi (b) Ox = 10 ksi, Txy = 4 ksi (c) Ox = -2 ksi, oy =...
Question 3 e stress element is obtained from the critical section of a machine member made of ASTM Class 40 Gray Cast Iron. Find the factor of safety using the Modified Mohr 1 Theory 18Ksi 9ksi
Design of Machine Elements
PROBLEM 1: A stationary shaft of 1-in-diameter and pulley subjected to a 2000-lb static load. Determine the following: (70 pts) 1) 2) 3) 4) 5) 6) 7) Bending Stress of Point A Transverse Shear of Point A Torsion Shear of Point A Principal stresses of Point A (o, ?2, and What is the safety factor using the Maximum Normal Stress Theory? What is the safety factor using the Maximum Shear Stress Theory? What is the safety...
QUESTION1 vielding or permanent deformation is a pronounced sliding along certain angular planes in the material True False QUESTION 2 The maximuth normal stress theory of failure is the only theory to be used for brittle materials True False QUESTION 3 In order to apply one of the failure theories to estimate the factor of safety, we have to ouse the state of stress find the principal stresses calculate the maximum shear stress e use the ultimate strength of the...
3. A [0/90]s graphite/epoxy laminate is subjected to a tensile normal load of 1N/m in the x- direction (the direction parallel to the fibers in the 0° ply). Assume the thickness of each ply is 5 mm and use properties of unidirectional graphite/epoxy lamina from the table. a) Calculate the resultant strains of the laminate b) Calculate the global stresses in the laminate c) Calculate the principal stresses (stresses in material directions) of the top layer. Typical Mechanical Properties of...
4. A structural member is subjected to combined loading so that the stress as shown in Fig. P4 occurs at a critical point. The tensile yield strength of the material is 300 MPa. What will be the safety factor according to maximum shearing stress theory? (a) 2.98, (b) 2.58, (c) 1.58, (d) 2.08, (e) none of above 120 50 30 50 80 20 MPa 30 20 10 Fig. 24
4. A structural member is subjected to combined loading so that the stress as shown in Fig. P4 occurs at a critical point. The tensile yield strength of the material is 300 MPa. What will be the safety factor according to maximum shearing stress theory? (a) 2.98. (b) 2.58, (c) 1.58, (d) 2.08, (e) none of above 120 50 30 50 80 20 MPa 30 20 10 Fig. P4
Will rate, thank you
Assume a plane stress load case for the double lap (double plate) joint for three plates. Plate is sandwiched by Plate 2 and Plate 3. They are joined by a fastener. Assume that Plate 2 and Plate 1 are subjected to axial loads of 10,000 lbs and 12,000 lbs respectively. Furthermore there is an external axial load T of 1000 lbs acting on the fastener The bar has a length of 15 inches, a height of...
The JT100 horizontal directional drilling machine applies 220 hp and rotates drill pipe at 100 rpm. During the drilling process, a drill pipe is subjected to the following axial and bending loads 30.0 Axial load, P, of 100 kips 0.70 ft-kips bending load, M, in the y-z plane at 30 degrees from the vertical axis The drill pipe, which is made of AISI 4130 steel, has the following dimensions and material properties (Ref. MIL-HDBK-5J, Table 2.3.1.0(c1)) » Length, L 177-in...
Problem 2: (34 pts) For the cylindrical tube (outer radius R. 100mm, initial thickness 1mm before loadings, length 1m) fixed at one end on the wall, an axial loading F = 1000 N and a torsional loading T = 100 N-m are applied. Assuming linear elasticity. Young's modulus E-1 GPa and Poisson ratio v = 0.33. (T = **where ) = (R: - R ) is the polar moment of inertia) a) Calculate the stress state (Cro, and Try) of...
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