A cylindrical steel has a length of 3.0m. It weighs 1,000 N and has specific gravity of 7.5. Determine the diameter, in mm of steel.
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A cylindrical steel has a length of 3.0m. It weighs 1,000 N and has specific gravity of 7.5. Determine the diameter, in mm of steel.
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- SITUATION. As shown in the figure below, a rigid bar with negligible mass is pinned at O and attached to two vertical rods. Assume that the rods were initially stress-free. Allowable stress in steel is 120 MPa and in bronze is 60 MPa. For this problem, a = 1.8m; b = 1.3m; c= 1.7m. a b I Bronze: A 1200 mm E83 GPa Lw2.0m What is the value of P Steel: A 900 mm E 200 GPa L=1.5mThe rigid bar 2 m long is supported by a steel rod at the middle B and bronze rods equidistant from both ends at A and C as shown. The properties of the rods are given in the tabulation below. Steel Bronze Allowable stress 140 MPa 120 MPa Modulus of Elasticity, E 200 GPa 83 GPa Area, A 400 mm2 900 mm2 Length, L 1,000 mm What is the required length of the steel rod so the reactions on the three rods are the same? What is the required length of the steel rod so that both the steel and the bronze rods reach their allowable stresses at the same time? What is the maximum permissible load W that the rods can carry?1. A circular rod of diameter 20 mm and 500 mm long is subjected to a tensile force 45 kN. The modulus of elasticity for steel may be taken as 200 Kn/mm². Fine stress, strain and elongation of the bar due to applied load.
- Determine the maximum tensile strength of the steel bar described by the following data Initial diameter = 12 mm Final diameter = 6.5 mm Initial length = 60 cm Final length = 86 cm Ultimate load = 5000 kgfA force of 100,000 N is applied to an iron bar with a cross-sectional area of 10 mm × 20mm and having a yield strength of 400 MPa and a tensile strength of 480 MPa,Determinea. whether the bar will plastically deform; andb. whether the bar will experience neckingA brass bar is fastened between a steel bar and an aluminum bar as shown in the figure. Axial loads are applied at the positions indicated. Find the largest value of P (kN) that will not exceed the maximum stresses are: 140 MPa in the steel, 120 MPa in the brass and 80 MPa in the aluminum. [Round off your final answer to 2 decimal places] Steel Brass A = 480 mm A = 650 mm? Aluminum A = 320 mm? 3P 4P 2P 1.0 m 2.0 m 1.5 m
- What is the value of reduction factor of the beam, if the stress in the steel is 400 MPa, and the Modulus of Elasticity of the Steel is 200,000 MPa. O 0.671 0.692 O 0.660 O 0.650 None of the Choices O 0.681what is design strength. The material of the steel is SM275 and the size is 22mm. The sectional area is 1,650mm^2.A steel bar of length 30 m and having specific weight of 20 x 10-5 N/mm³. Find the elongation of the bar due to self weight (in mm, round off to two decimal places). (Assume modulus of rigidity of the material is 0.9 x 105 N/mm2 and poisson's ratio is 0.25)
- SITUATION. As shown in the figure below, a rigid bar with negligible mass is pinned at O and attached to two vertical rods. Assume that the rods were initially stress-free. Allowable stress in steel is 120 MPa and in bronze is 60 MPa. For this problem, a = 1.8m; b = 1.3m; c= 1.7m. a b I Steel: A 900 mm Bronze: A E 200 GPa E 83 GPa L-2.0m L=1.5m What is the value of P without exceeding the allowable stress of steel, in KN? 230 250 280 340 1200 mmA2m rigid bar is carried by three rods as shown. The mechanism is arranged such that it is symmetrical. Refer to the table for the properties of each material. Steel Bronze Allowable stress 140 MPa 120 MPa Modulus of Elasticity 200 GPa 83 GPa Area, A 400 mm2 900 mm2 Length, L 1000 mm Steel Bronze Bronze AA steel of cross-section area 100 mm² and 1 m long is subjected to a tensile force of 40 kN. What is the total elongation of the rod? If modulus of elasticity of steel is 200 GPa.