If a factor of safety =1.9, what would be the allowable stress?
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If a factor of safety =1.9, what would be the allowable stress?
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- Determine stress valueProblem: A steel rod with a cross-sectional area of 180 mm2² is stretched between two fixed points. The tensile load at 25°C is 3,600N. Assume thermal coefficient equal to 11.7 x 106 mm/ (mm°C) and E= 200 GPa. a. What is the temperature at which the stress will be zero? b. What is tthe temperature at which the compressive stress will be 48 MPa?What is the average stress at section B-B? (Figure 1) Note: Give me right solution with clear calculations. Choices also given.
- A steel rod with a cross sectional area of 120〖mm〗^2 is stretched between two fixed points. The tensile load at 20°C is 4200N. What will be the stress at-25°C? α=11.7x〖10〗^(-6)/°C and E = 200GPa. See figure 06Two solid cylindrical rods AB and BC are welded together at B and loaded as shown.a) Determine the magnitude of the force P for which the tensile stress in rod AB is 100ksi.b) What is the compressive stress at rod BC?2. A metal plate is .125 inch thick. What force is required to punch out a square piece 1" x 1"? The ultimate shear stress of the metal is 37,000 psi, and the ultimate tensile stress is 60,000 psi. (2 ntcl Punch Force