If principle stress opi = 100 N/mm (tensile) op2 = 40 N/mm (compressive), then maximum shear stress will be: (a) 70 N/mm (c) 30 N/mm2 (e) 5 N/mm? (b) 50 N/mm? (d) 10 N/mm?
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- Problem :Pressure vessel made of alloy steel with Yield Strength of 250 MPa, Pressure acting on Pressure Vessel = 10 Atmosphere. Longitudinal Stress (σL) = 200 MPa. Hoop Stress (σθ) = 150 MPa. Radial Stress (σR) = -50. Question :a) How thick is the pressure vessel if the Inner Diameter is D = 2 Meters? b) Check whether the pressure vessel is safe or not? c) Calculate the maximum shear stress with Mohr's circle? d) Check whether the pressure vessel is safe or not with Tresca yield criterion and compare it with von Mises yield criterion?If the shear modulus of a material is 120GPa & the bulk modulus is 140 GPa, then Young’s modulus is------ a. 820 GPa b. 280 Pa c. 280 GPa d. 820 Pawant plane stresses and elasity ,poisson ration given last 2 answer were wrong
- With a thick walled cyclinder the inner radius is 0.05m and out radius is 0.2m. The internal pressure is 200 MPa - What is the hoop and radial stress at the inner surface? - What would be a suitaable material for the cyclinder under von mises criterion?Please answer the problem completely. Show a free body diagram. Final answer: Shear stress = 3.2 mpaTc = ? (shear stress)c= ?
- A slab of granite countertop is subjected to a tensile force of 3.3 kN, as illustrated below. What are the changes in the axial (2075 mm), width (500 mm), and thickness (16 mm) direction? Assume n = 0.25. E = 53,000 MPa.Explain the method of representing the combination of normal and shear stresses acting on any plane through an incremental element on shear stress–normal stress coordinates.The drive shaft for a truck (outer diameter 60 mm and inner diameter 40 mm) is running at 42 Hz. If the shaft transmits 133 kW, what is the maximum shear stress in the shaft in MPa? Round up final answer to whole number
- The state of stress at a point can be described by σx = 40 MPa , σy = 64 MPa , and τxy = 18 MPa . A second coordinate system is rotated by θ = 25 ∘ A) What is the normal stress in the direction of the x′-axis? B) What is the shear stress in the y′-direction for the faces with a normal in the x′-direction? C) What is the normal stress in the direction of the y′-axis?STRENGTH OF MATERIALS W/SOLUTION 1.) A penstock pipe 10m diameter carries water under a pressure head of 100m. If the wall thickness is 9mm, the tensile stress in the pipe wall is nearest to? A. 2725 B. 1090 C. 545 D. 110 E. NOTAP1 is the critical point. If the maximum permissible tensile stress is 150 MPa and themaximum permissible in-plane shear stress is 55 MPa, what is the largest load, P, that can beapplied by the rider? Where shaft OD = 32mm and thickness = 3.25mm