Q. A For a hollow steel tube with an inside diameter of 120 mm and outside diameter of 138, Determine the maximum tensile load that can be applied if the stress is limited to 115 MN m2.
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Q: EXAMPLE: A hollow steel tube with an inside diameter of 100 mm must carry a tensile load of 400 kN.…
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Q: Q.1. A. For a hollow steel tube with an inside diameter of 120 mm and outside diameter of 138,…
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Q: Q.1. A. For a hollow steel tube with an inside diameter of 120 mm and outside diameter of 138,…
A: Given: The outside diameter is 138 mm. The inside diameter is 120 mm. The stress is 115 MPa.
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- Bars (1) are made of a polyimide plastic that has an elastic modulus of 3.8 GPa. Bar (2) is a nylon material that has an elastic modulus of 0.9 GPa. Each bar has a cross-sectional area of 1050 mm2. Using L = 395 mm and Δ = 7.3 mm, what magnitude of load P will cause the normal stress in each bar to be the same value? [Answer: P = 67.0 kN]A water tank, 22 ft in diameter, is made from steel plates that are 1/2 in. thick. Find the maximum height to which the tank may be filled if the circumferential stress is limited to 6000 psi. The specific weight of water is 62.4 lb/ft3. A cylindrical steel pressure vessel 400 mm in diameter with a wall thickness of 20 mm, is subjected to an internal pressure of 4.5 MN/m2. (a) Calculate the tangential and longitudinal stresses in the steel. (b) To what value may the internal pressure be increased if the stress in the steel is limited to 120 MN/m2? (c) If the internal pressure were increased until the vessel burst, sketch the type of fracture that would occur.A rectangular hole 5 mm × 15 mm is punched in a 2.0 mm thick steel plate of by a load of 100 kN. Calculate the average shear stress of the steel.
- The belt shown has a width of 43 mm and a thickness of 6 mm. [P1= 30 kN, P2= 6 kN, P3= 14 kN, P4= 14 kN] A-What is the maximum internal force in the belt? B-What is the cross sectional area of the belt? C-What is the maximum normal stress in the belt?A steel flat 10 cm wide and 2 cm thick is bent into a circular arc of 50m radius.Find the maximum intensity of stress induced. Take E = 2.05 * 10 ^ 5 N/mm².PLEASE ANSWER ASAP TY! a) Determine the cross-sectional area of the structural tube (in mm2) b) Determine moment of inertia of the cross-section about the neutral axis (in mm4) c) What is the maximum normal stress at point K (in MPa)? Include negative sign if compressive. d) What is the axial stress at section H-K (in MPa)? Include negative sign if compressive. e) What is the flexural stress at section H-K (in MPa)? f) What is the maximum normal stress at point H (in MPa)? Include negative sign if compressive.
- Give me the solution of these with these answers: 2. ?? = 107.725 MPa 3. the shear stress in the anchorbolts. Ans: ? = 91.44 MpaA steel rod of 15- mm diameter is held snugly (but without any initial stresses) between rigid walls by the arrangement shown in the figure part (a). (For the steel rod, use α = 12 x 10-6/˚C and E = 200 GPa.) Calculate the temperature drop ΔT (degrees Celsius) at which the average shear stress in the 12 – mm diameter bolt becomes 45 MPa. Also, what is the normal stress in the rod? What are the average bearing stresses in the bolt and clevis at A and between the washer (dW = 20mm) and wall (t = 18 mm) at B? If the connection to the wall at B is changed to an end plate with two bolts (see figure part b), what is the required diameter db of each bolt if the temperature drop is ΔT = 38˚C and the allowable bolt stress is 90 MPa?To determine the state of stress in a solid rod using the principle of superposition. A solid rod has a diameter of e = 50 mm and is subjected to the loading shown. Let a = 190 mm, b= 220 mm, c = 310 mm, d = 220 mm, and P = 3.0 kN. Take point A to be at the top of the circular cross-section. (Figure 1) Figure < 1 of 2 ▼ ▼ Part A - Moment about the x axis at A M₂ = As shown (Figure 2), a cut was made at A to determine the resultant internal loadings. Determine the moment about the x axis, M, Express your answer to three significant figures and include the appropriate units
- The two-bar structure shown is pinned at A, B, and C. A sign weighing 20 kN is suspended from bar BC at points D and E, which are located at 0.8 m and 0.4 m, respectively, from the ends of the bar BC. If member AB is a steel pipe with inside diameter 20 mm, determine the smallest permissible outer diameter of the member if the working stress in steel is not to exceed 140 MPa.A steel column of hollow circular cross section is supported on a circular steel base plate and a concrete pedestal . The columm has outside diameter d = 250 mm and supports a load P= 750 kN. (a) If the allowable stress in the column is 55 MPa, what is the minimum required thickness ? Based upon your result, select a thickness for the column. (Select a thickness that is an even integer, such as 10, 12, 14,... in units of millimeters.) (b) If the allowable bearing stress on the concrete pedestal is 11.5 MPa, what is the minimum required diameter D of the base plate if it is designed for the allowable load P that the column with the selected thickness can support?The polymer bar shown in the figure below has a width of b=55b=55 mmmm, a depth of d=104d=104 mmmm, and a height of h=274h=274 mmmm. At a compressive load of P=120P=120 kNkN, the bar height contracts by Δh=−2.60Δh=-2.60 mmmm, and the bar depth elongates by Δd=0.36Δd=0.36 mmmm. At this load, the stress in the polymer bar is less than its proportional limit. Determine: (a) the modulus of elasticity. (b) Poisson’s ratio. (c) the change in the bar width bb.