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Question 1 (30 mark): The following figure shows a beam under two concentrated forces. a) Draw...
The shaft in the figure below is supported on journal bearings that do not offer any resistance t...
The shaft in the figure below is supported on journal bearings that do not offer any resistance to axial load. The yield strength of the material is Ơ,-300 MPa and the safety factor is FS-2.5 1) 2) 3) 4) Determine the reaction at the supports. Draw the shear force, bending and torsion moment diagrams Derive an expression for the components of the stress tensor at a cross section of the shaft Neglect the shear stress due to the transverse shear...
The shaft is supported by smooth journal bearings at A and B that only exert vertical reactions on the shaft.
The shaft is supported by smooth journal bearings at A and B that only exert vertical reactions on the shaft. a) Calculate the reaction forces at the supports. b) Draw the shear force ve bending moment diagrams. c) Ifd-90 mm, the absolute maximum bending stress in the beam is equal to....
The shaft in the figure below is supported on journal bearings that do not offer any resistance t...
The shaft in the figure below is supported on journal bearings that do not offer any resistance to axial load. The yield strength of the material is o",-300 MPa and the safety factor is FS-2.5 Derive an expression for the components of the stress tensor at a cross section of the shaft Neglect the shear stress due to the transverse shear forces and determine to the nearest millimeter, the smallest diameter of the shaft that will support the loading strength....
Consider a drive shaft design concept as shown in the accompanying figure. Consider a drive shaft...
Consider a drive shaft design concept as shown in the
accompanying figure.
Consider a drive shaft design concept as shown in the accompanying figure. Assuming the shaft has a 25 mm diameter and is machined from steel with tensile and shear yield strengths of 330 MPa and 191 MPa respectively, answer the following questions: 220 mm B Ic 330 mm 100 mm 800 N 220 mm 75 mms 200 N 200 F a) Assuming a smooth transfer of power, determine...
Incorect Plot the shear and moment diagrams for the beam subjected to the two concentrated forces...
Incorect Plot the shear and moment diagrams for the beam subjected to the two concentrated forces and combination of distributed loads. After you have the plots, answer the questions as a check on your work. 4 kN 4 kN 11 m 2 kN/m 800 N/m 16 m 3 m 5 m 3 m M = 12.2817 when x = 1.6 m, v =T-0.018773 When x- 8.4 m, V I-3.117 when x = 12.6 m, v =T-0.3715 when x = 16.9...
Problem 1: Given: The beam with a concentrated load shown below. a 10 ft, b 15 ft. Find: Draw the internal shear fo...
Problem 1: Given: The beam with a concentrated load shown below. a 10 ft, b 15 ft. Find: Draw the internal shear force and bending moment diagrams. Use the standard sign convention. Draw clear, complete and accurate Free Body Diagrams! 5 k
Problem 1: Given: The beam with a concentrated load shown below. a 10 ft, b 15 ft. Find: Draw the internal shear force and bending moment diagrams. Use the standard sign convention. Draw clear, complete and accurate Free...
3- The shaft shown in the figure rotates with constant angular velocity and is transmitting a...
3- The shaft shown in the figure rotates with constant angular velocity and is transmitting a torque from gear B to gear C through the forces Exo and Ez as shown. The shaft is subject to combined bending and torsion due to the forces shown. The weights of the shaft and pulleys may be neglected and the supports can exert only concentrated force reactions. The radius of the gear at B is 50 mm and that at C is 75...
Design of Machine Elements (Spring 2019) Name: 1. Known: A gear exepts the same known force...
Design of Machine Elements (Spring 2019) Name: 1. Known: A gear exepts the same known force on each of two geometrically different steel shafts supported by self- aligning bearings at A and B. Find: Draw shear and bending moment diagrams for each shaft. Schematic and Given Data: 100 N 100 N +200- 300 +200- 300— 140 50 N 2. Known: A know maximum normal stress is produced by a bending moment. Find: Determine the value of bending moment • In...
4kN 150 mm 2kN Problem 1, subjected to two concentrated forces and has a as shown in the figures The cantilever beam, (fixed at A)s 0 mm30 mm -30 mm (a) Determine the maximum shear stress on the...
4kN 150 mm 2kN Problem 1, subjected to two concentrated forces and has a as shown in the figures The cantilever beam, (fixed at A)s 0 mm30 mm -30 mm (a) Determine the maximum shear stress on the section (b) Determine the maximum bending stress in compression and in tension (c) If the allowable bending stress (for tension and compression) is ơao.-6 MPa, calculate the new minimum required section modulus.
4kN 150 mm 2kN Problem 1, subjected to two concentrated...
The below wooden double overhanging beam is under a uniformly distributed load W. The wood is...
The below wooden double overhanging beam is under a uniformly distributed load W. The wood is weak along the orientation of the grain (or wood cell fibres) that makes an angle of 30° with the horizontal (see figure). The maximum shear stress on a plane parallel to the grain that the wood can sustain is t,max = 5 MPa, and the maximum normal stress of wood is omax = 25 MPa. The Young modulus of this wood is E=15 GPa....
The shaft in the figure below is supported on journal bearings that do not offer any resistance to axial load. The yield strength of the material is Ơ,-300 MPa and the safety factor is FS-2.5 1) 2) 3) 4) Determine the reaction at the supports. Draw the shear force, bending and torsion moment diagrams Derive an expression for the components of the stress tensor at a cross section of the shaft Neglect the shear stress due to the transverse shear...
The shaft in the figure below is supported on journal bearings that do not offer any resistance to axial load. The yield strength of the material is o",-300 MPa and the safety factor is FS-2.5 Derive an expression for the components of the stress tensor at a cross section of the shaft Neglect the shear stress due to the transverse shear forces and determine to the nearest millimeter, the smallest diameter of the shaft that will support the loading strength....
Consider a drive shaft design concept as shown in the
accompanying figure.
Consider a drive shaft design concept as shown in the accompanying figure. Assuming the shaft has a 25 mm diameter and is machined from steel with tensile and shear yield strengths of 330 MPa and 191 MPa respectively, answer the following questions: 220 mm B Ic 330 mm 100 mm 800 N 220 mm 75 mms 200 N 200 F a) Assuming a smooth transfer of power, determine...
Incorect Plot the shear and moment diagrams for the beam subjected to the two concentrated forces and combination of distributed loads. After you have the plots, answer the questions as a check on your work. 4 kN 4 kN 11 m 2 kN/m 800 N/m 16 m 3 m 5 m 3 m M = 12.2817 when x = 1.6 m, v =T-0.018773 When x- 8.4 m, V I-3.117 when x = 12.6 m, v =T-0.3715 when x = 16.9...
Problem 1: Given: The beam with a concentrated load shown below. a 10 ft, b 15 ft. Find: Draw the internal shear force and bending moment diagrams. Use the standard sign convention. Draw clear, complete and accurate Free Body Diagrams! 5 k
Problem 1: Given: The beam with a concentrated load shown below. a 10 ft, b 15 ft. Find: Draw the internal shear force and bending moment diagrams. Use the standard sign convention. Draw clear, complete and accurate Free...
3- The shaft shown in the figure rotates with constant angular velocity and is transmitting a torque from gear B to gear C through the forces Exo and Ez as shown. The shaft is subject to combined bending and torsion due to the forces shown. The weights of the shaft and pulleys may be neglected and the supports can exert only concentrated force reactions. The radius of the gear at B is 50 mm and that at C is 75...
Design of Machine Elements (Spring 2019) Name: 1. Known: A gear exepts the same known force on each of two geometrically different steel shafts supported by self- aligning bearings at A and B. Find: Draw shear and bending moment diagrams for each shaft. Schematic and Given Data: 100 N 100 N +200- 300 +200- 300— 140 50 N 2. Known: A know maximum normal stress is produced by a bending moment. Find: Determine the value of bending moment • In...
4kN 150 mm 2kN Problem 1, subjected to two concentrated forces and has a as shown in the figures The cantilever beam, (fixed at A)s 0 mm30 mm -30 mm (a) Determine the maximum shear stress on the section (b) Determine the maximum bending stress in compression and in tension (c) If the allowable bending stress (for tension and compression) is ơao.-6 MPa, calculate the new minimum required section modulus.
4kN 150 mm 2kN Problem 1, subjected to two concentrated...
The below wooden double overhanging beam is under a uniformly distributed load W. The wood is weak along the orientation of the grain (or wood cell fibres) that makes an angle of 30° with the horizontal (see figure). The maximum shear stress on a plane parallel to the grain that the wood can sustain is t,max = 5 MPa, and the maximum normal stress of wood is omax = 25 MPa. The Young modulus of this wood is E=15 GPa....
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