Q3. The rod BC is made of steel having an allowable tensile stress of Gallow=160 MPa. Determine its smallest diameter so that it can support the load shown. The beam is assumed to be pin- connected at A.
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- 3. A mild steel rod supports a tensile load of 50 kN. If the stress in the rod is limited to 100 MPa, find the size of the rod when the cross-section is 1. circular, 2. square, and 3. rectangular with width = 3 × thickness.An iron column of annular cross-section has an outer diameter of 200 mm and is subjected to a force of 75 kN. Find the thickness of the wall if the allowable compressive stress is 10 Mpa.A solid aluminum shaft of 100 mm diameter fits concentrically in a hollow steel tube. Determine the minimum internal diameter in mm of the steel tube so that no contact pressure exist when the aluminum shaft carries an axial compressive load of 503 KN. Assume Poisson's ratio = 1/3 and a modulus of elasticity of the aluminum rod is 75 GPa. Use 4 decimal places. Add your answer
- Question 1: Given that Tuitow = 50 MPa for the rod AB and tattow = 25 MPa for the rod BC. If T=1250 N.m, find the required radius for both rods. Ahmtmum AB = BC =Solve for the indentation diameter if the BHN of the material is 70 and a 500 kg of load is applied? Use indenter diameter 10mm.The force P is applied on the top of the solid cylindrical body which rests on a circular cap as shown below. Determine the smallest dimensions di, ds, and t required to support the load P. Use the table given below and your student ID to obtain the values of the force P and the allowable stresses for all the materials used in the problem (ie., Pand the allowable stresses are given). 30 mm allowable allowable tensile stress (kPa) allowable shear stress (kPa) Student bearing P(N) ID stress (kPa) 1000 175 300 155
- 3 m Load D 2 m+ 3 m The member AC is made from an aluminium alloy and has a rectangular cross section of 100mm x 10mm. Calculate the stress in member AC if a load of 57.4 kN is applied at point D.The rigid bar ABC supports a load of 21.1 kN at point C. A circular rod (diameter 25 mm) supports the bar at B. The length of AB is 3.5 m and the length of BC is 1.1 m. Calculate the normal stress in the rod. Provide your answer to 2 decimal places in MPа. Rod diameter = 25mm В y F kN2. A hollow cylinder 2 m long has an outside diameter of 50mm and inside diameter of 30mm. If the cylinder is carrying a load of 25 KN. FInd the stress in cylinder , also find deformation of the cylinder E=100 Gpa.
- Let’s consider a rod having a solid circular cross-section with diameter of 6 mm and it is made of a material having a Young’s modulus E = 200 Gpa and a Poisson’s ratio of 0.3. If a tensile force F is subjected to that rod cross-section, the diameter becomes 5.998 mm. determine the applied force F.STRENGTH OF MATERIALS If the steel rod shown is acted upon as shown, Compute for the total deformation of the rod. Assume E = 200GPa and A = 25mm2.Calculate the smallest area of each cable if the stress is not to exceed 76 000 KPa in bronze and 118 MPa in steel if a homogeneous 778 000 g bar AB is supported at either end by a cable.