For the structure shown, design the maximum permissible value of W using a factor of safety of 2, based on the following conditions. a. Ultimate normal stress in members CD and EF is 140 ksi. b. Ultimate shear stress in pins B, D, F, and H is 100 ksi. c. Ultimate bearing stress on member ACEG is 200 ksi. d. Ultimate bearing stress on support plates at B and H is 240 ksi. All members have dimensions of 5 x 2 in while the support plates have 1.5 in. thickness. Pins at B and H have 1 in. diameter while pins C, E, D, and F have 3/4 in. diameter. Note that there are two identical members CD and two identical members EF. Also, there are two support plates in B while only one plate is used in H.

For the structure shown, design the maximum permissible value of W using a factor of safety of 2, based on the following conditions. a. Ultimate normal stress in members CD and EF is 140 ksi. b. Ultimate shear stress in pins B, D, F, and H is 100 ksi. c. Ultimate bearing stress on member ACEG is 200 ksi. d. Ultimate bearing stress on support plates at B and H is 240 ksi. All members have dimensions of 5 x 2 in while the support plates have 1.5 in. thickness. Pins at B and H have 1 in. diameter while pins C, E, D, and F have 3/4 in. diameter. Note that there are two identical members CD and two identical members EF. Also, there are two support plates in B while only one plate is used in H.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

Two solid bars support a load P as shown. Bar (1) has a cross-sectional area of A1 = 2850 mm2 and an allowable normal stress of 105 MPa. Bar (2) has a cross-sectional area of A2 = 3950 mm2 and an allowable normal stress of 160 MPa. Assume x1 = 1.9 m, x2 = 2.7 m, y1 = 1.5 m, and y2 = 2.6 m. Determine the maximum load Pmax that can be supported by the structure without exceeding either allowable normal stress.
Two solid bars support a load P as shown. Bar (1) has a cross-sectional area of A1 = 4850 mm2 and an allowable normal stress of 150 MPa. Bar (2) has a cross-sectional area of A2 = 4750 mm2 and an allowable normal stress of 140 MPa. Assume x1 = 2.2 m, x2 = 3.4 m, y1 = 1.1 m, and y2 = 2.7 m. Determine the maximum load Pmax that can be supported by the structure without exceeding either allowable normal stress.Answer: Pmax = Enter your answer in accordance to the question statement kN
The five-bolt connection shown must support an applied load of P = 330 kN. If the average shear stress in the bolts must be limited to 295 MPa, determine the minimum bolt diameter that may be used in the connection.
5. A bronze rod is rigidly attached between a aluminum rod and a steel rod as shown. Axial loads are applied at the positions indicated. Find the maximum allowable value of P that will not exceed a stress in steel of 140MPa, in aluminum of 90MPa or in bronze of 100MPa.
A copper rod is rigidly attached between a steel rod and a brass rod. Axial loads are applied at the positions indicated where F = 125 kN. Find the safe minimum value of diameter “d” that will not exceed a stress in steel of 780 MPa, in copper of 120 MPa, or in brass of 65 MPa.Answer: d = __________________
Axial loads are applied with rigid bearing plates to the solid cylindrical rods shown. The normal stress in aluminum rod (1) must be limited to 19 ksi, the normal stress in brass rod (2) must be limited to 22 ksi, and the normal stress in steel rod (3) must be limited to 13 ksi. Determine the minimum diameter required for each of the three rods. Assume P = 7 kips, Q = 2 kips, R = 16 kips and S = 20 kips.
2. A hollow steel tube with an inside diameter of 100 mm must carry a tensile load of 400 kN. Determinethe outside diameter of the tube if the stress is limited to 120 MN/m2.
Problem No. 2 A cylindrical boiler with an outside diameter of 2.75 m and a wall thickness of 32 mm is made of a steel alloy that has a yield stress of 340 MPa. Determine: (a) the maximum normal stress produced by an internal pressure of 2.3 MPa.(b) the maximum allowable pressure if a factor of safety of 4.5 with respect to yield is required
The structure shown is made up of elements ABC, AD, BE, DF, joined by articulated connections at all nodes Determine Axial stress in elements AD and BE, considering a rectangular cross section of 40 x 60 mm and 25 x 50 mm respectively The average shear stress for each of the bolts of C and F, using a diameter of 19 mm, in simple shear Express results in kg/cm2
A steel rod is to withstand a pull of 10,000 pounds. If the ultimate stress is 50,000 psi and yield stress of 35,000 psi with a factor of safety of 4 and 2 based on ultimate and yield respectively, determine the required diameter of the rod.
A 75 mm diameter compound bar is constructed by shrinking a circular brass bush onto the outside of a 50 mm diameter solid steel rod. If the compound bar is then subjected to an axial compressive load of 160 kN determine the load carried by the steel rod and the brass bush and the compressive stress set up in each material. For steel, E = 210 GN/m2; for brass, £ = 100 GN/m2
Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. A 2 kip/ft distributed load is applied on member AB, which is supported by a pin at A and bar BC. The connections at points A and B are shown in detail. All pins have a diameter of 0.5 in while all members have cross-sectional dimensions of 1.5 x 1 in. Determine the following:a. maximum normal stress in member BC (ksi)b. normal and shear stress in a horizontal section across member BC apart from the pin (ksi)c. shear stress in pins A and B (ksi)d. maximum bearing stress on member AB (ksi)