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Determine the slope at point B of the beam shown in Figure. EI is constant.
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- A part is loaded with a combination of bending, axial, and torsion such that the following stresses are created at a particular location:Bending: Completely reversed, with a maximum stress of 60 MPaAxial: Constant stress of 20 MPaTorsion: Repeated load, varying from 0 MPa to 70 MPaAssume the varying stresses are in phase with each other. The part contains a notch such that Kf,bending = 1.4, Kf,axial = 1.1, and Kf,torsion = 2.0. The material properties are Sy = 300 MPa and Su = 400 MPa. The completely adjusted endurance limit is found to be Se = 160 MPa. Find the factor of safety for fatigue based on infinite life, using the Goodman criteria. If the life is not infinite, estimate the number of cycles, using the Walker criterion to find the equivalent completely reversed stress. Be sure to check for yielding.Write a short explanation for the following terms: 1. Tensile, Compressive and Shear Loads 2. Bending, Torsion and Buckling 3. Stress 4. Strain 5. Young's Modulus of Elasticity 6. Design Limit Load & Design Ultimate load 7. Safe-life 8. Fail-safe structure 9. Fatigue 10. Loads on fuselageAn automobile engine develops a maximum torque of 162Nm. The low gear ratio of transmission is 2.75, while the back axle ratio is 4.25. The effective wheels radius is 0.325m and the co-efficient of friction between the tyre and the road surface is 0.6. If the permissible shear stress is 32373 X 104Pa. Determine the maximum shaft diameter. Assuming that the load is nearly torsional. What is maximum load permissible on each wheel?
- Solve the problem below. For your final answer, use whole number. An extra flexible 8 × 19 steel wire rope of 38 mm diameter is used with a 2 m diameter hoist drum to lift 70 kN of load. The wire rope has a length of 900 meters. The maximum speed is 3 m / s and the acceleration is 1.5 m / s2. The diameter of the wire may be taken as 0.05 d, where d is the diameter of wire rope. The modulus of elasticity of the entire rope is 84 × 103 N/mm2. The weight of the rope is 53 N/m length. Determine the effective load during acceleration of load in kN.Write a short explanation for the following terms: 1. Strain 2. Young's Modulus of Elasticity 3. Design Limit Load & Design Ultimate load 4. Safe-life 5. Fail-safe structure 6. Fatigue 7. Loads on fuselageThis is part of alarger super position problem and I was able to solve for a moment and a concentrated load but this distributed load is confusing me. E = 200 GPa I = 216*10^6 mm^4 w = 81 kN/m d = 1.5 m I ended up getting an answer near -12 mm of diflection but that is an incorrect according to the grader. What would the equation for the elastic curve of this problem be? What is its value at point B? thank you so much!
- A 4-T crane is used to lift a 3m x 1.2m x 200mm pre-cst panel. A preader beam is needed to ensure the proper distribution of load in the lifting chains. Consider modulus of elasticity, E=200,000 MPa, allowable shearing stress of lifting pin is 50 MPa, the steel plate used in the spreader beam has an allowable bearing stress of 40 MPa. (All measurement in the figure is in millimeters) 1. Determine the total load in kN, the crane has to carry the the lifting accessories (spreader beam, lifting chains and hooks) has a total mass of 720 kgs. if 2. Determine the average normal stress on each leg of the lifting chain A and B. 3. Determine the required diameter (d) in millimeters of the lifting pin if the allowable shearing stress must not be exceeded (Round to the nearest whole number). 4. Determine the required thickness (t) in millimeters of the steel plate to be used if the allowable bearing stress must not be exceeded. (Round to the neareat whole number)The material is a spring wire has a shear modulus of 1.2 x 107 lbf/in2. The maximum allowable stress under design conditions is 50,000 lbf/in2. The spring index is 7. Assume the maximum stress is experienced when a 700 lbm object falls from a height of 46 in above the tip of the spring, impacts squarely on the spring, and deflects the spring 10 in. Determie:1. The minimum wire diameter is most nearlyA. 0.58 in B. 0.88 in C. 1.4 in D. 1.8 in2. The mean coil diameter is most nearlyA. 8.6 in B. 10 in C. 13 in D. 16 in3. The number of active coils is most nearlyA. 8 B. 11 C. 12 D. 14Ensssprrs wuii. Inside a helical spring of circular cross-section 20 mm in dimater spring is placed having the same cross-section. The mean radius of the outer spring is 80, that of the inner spring is S0 mm. Both the springs are of the same height and have 10 coils With a load being transmitted to both the springs they deflect by 50 mm. In which spring is the maximum shear stress greater, and what are their magnitudes? What is the corresponding load being transmitted? The shear modulus C = 80 GPa for both the spring materials.
- Write a short explanation for the following terms: 1. Safe-life 2. Fail-safe structure 3. Fatigue 4. Loads on fuselageFind the equivalent stresses at Points 1 and 2 of the element with given geometry and loading conditions according to the Maximum shear stress hypothesis and the Maximum strain energy hypothesis. Shaft diameter: 20 mm, Shaft Length 120 mm, F1 = 750N, F2 = 3000N, Mb = 2400 N.mm. Steel if St37 and Safety coefficient is 2 If taken, will this stick work safely under these operating conditions? (Yield of given steel Strength 225 Mpa, Tensile strength 370 Mpa)A load of F=590 kgf will be hung on a Workshop crane as in the figure. The pole to be used has a diameter of D= 59 mm and a wall thickness of t= 8 mm. Other dimensions are H = 2046 mm, L = 1364 mm. If we take the yield strength of the steel used as cak= 463 MPa, how many times is the system safe when it is calculated according to the point where it is connected to the ground? (Assume no supports shown at the bottom)