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Q: 100 Mpa 75 Mpa 150 Mpa If the element shown was rotated 60° CW Find: (α)σχ' (b)ay' (c)Tx'y
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- Repeat Problem 11.3-9. Use two C 150 × 12.2 steel shapes and assume that E = 205 GPa and L = 6 m.Solve the preceding problem if the internal pressure is 3,85 MPa, the diameter is 20 m, the yield stress is 590 MPa, and the factor of safety is 3.0. (a) Determine the required thickness to the nearest millimeter. (b) If the tank wall thickness is 85 mm, what is the maximum permissible internal pressure?A suspender on a suspension bridge consist of a cable that passes over the main cable (see figure) and supports the bridge deck, which is Far below. The suspender is held in position by a metal tie that is prevented from sliding downward by clamps around the suspender cable. Let P represent the load in each part of the suspender cable, and let represent the angle of the suspender cable just above the tie. represent the allowable tensile stress in the metal tie. (a) Obtain a formula for the minimum required cross-sectional area of the lie. (b) Calculate the minimum area if P = 130 kN, = 75°, and allow=80 .
- Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.Solve the preceding problem if F =90 mm, F = 42 kN, and t = 40°MPaTwo steel wines support a moveable overhead camera weighing W = 28 lb (see figure part a) used For close-up to viewing of field action at sporting, events. At some instant, wire I is at an angle a = 22° to the horizontal and wire 2 is at angle fi = 40°. Wires I and 2 have diameters of 30and 35 mils, respectively. (Wire diameters are often expressed in mils; one mil equals 0.001 in.) (a) Determine the tensile stresses s and s2 in the two wires. (b) If the stresses in wires 1 and 2 must be the same, what is the required diameter of wire 1 ? (c) To stabilize the camera for windy outdoor conditions, a third wire is added (see figure part b). Assume the three wires meet at a common point coordinates (0, 0. 0) above the camera at the instant shown in figure part b. Wire I is attached to a support at coordinates (75 ft, 48 ft, 70 Ft). Wire 2 is supported at (-70 ft. 55 ft, 80 Ft). Wire 3 is supported at (-10 ft. -85 Ft, 75 ft). Assume that all three wires have a diameter of 30 mils. Find the tensile stresses in all three wires
- Question 5 A crank arm consists of a sold segment of length bi and diameter d, a segment of length b2, and a segment of length b3 as shown n Figure Q5 Two loads P act as shown one parallel to -x and another parallel to -y Each load P equals 1 2 kN The crankshaft dimensions are b 75 mm, b2 125 mm, and b3 = 35 mm. The diameter of the upper shaft is d 22 mm Determine the maxımum tensile, compressive, and shear stresses at point A, which is located on the surface of the shaft at the z axis Tr Hint Shear stress due to Torsion is T Tis the torque on the shaft, Ip r is the shaft radus and In is the 16V 4V Shear stress due to shear fore Vs T 3A polar moment of inerta gven by 3πα2 32 B b b3 in-x directon P in -y directon Figure Q5Q1: A steel pipe column with outside diameter 0.5 in and its wall thickness 0,25 in. supports a load of 4.45 kN. The steel pipe rests on a square steel base plate, this base plate is resting on a concrete slab as illustrated in the attached figure. 1-Determine the bearing stress between the stcel pipe and the stecl plate. 2-If the bearing stress of the steel plate on the concrete slab must be limited to 90 nci what is the minimum allowable plate dimension (a)? 3-Determine the average shear stress in the steel plate, explain? Load Outside diameter - 6.5S in. Wall thickness - 0.25 in. Square steel- base plate Concrete slabQ # 4: rod and a bronze rod as shown in Figure. Axial loads are applied at the positions indicated. The value of P is limited to 20 KN in bronze, 72 KN in aluminum and 28 KN in steel. An aluminum rod is rigidly attached between a steel Find the area of each section that will not exceed a stress in steel of 280 MPa, in aluminum of 180 MPa, or in bronze of 200 MPа. CLO – 2 Steel Aluminum Bronze 2P P 4P 2.5 2.0 1.5
- A part of the structure for a facory automation system is a beam that spans 30.0 inches as shown below. Loads that are applied at two points each 8.0inches from a support. The left load F1=1800 lb remains constantly applied while the right load F2=1800 lb is applied and removed frequently as the machine cycles. Find the following: Maximum stress Minimum stress Mean stress Alternating stress Stress ratio Solve the missing parameters in complete solution put necessary diagrams if needed. ThanksConsider the bracket shown in Fig-3. If: F1 = 10 lb @ -90° • a - 2 ft • b = 4 ft • c= 1 ft then, what is the type of the internal force within member 'BD'? compressive tensileA utility hook was formed from a round rod of diameter d= 0.75 in into the geometry shown in the figure. Given: F= 1500 lbf, L = 7 in, and D;= 2.5 in. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. L.