400 kNC2. Determine the smallest allowable cross-sectional areas of eachmembers for the truss shown. The working stresses are 60 MPain tension and 45 MPa in compression.3 m500 kN2 m| 50°4 mD

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Answered: 2. Determine the smallest allowable…

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

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Two solid cylindrical rods (1) and (2) are joined together at flange B and loaded, as shown. If the normal stress in each rod must be limited to 107 MPa, determine the minimum diameter (in mm rounded to the nearest hundredths) required for rod 1 and rod 2. Assume P = 80 kN and Q = 140 kN.
Two solid cylindrical rods (1) and (2) are joined together at flange B and loaded, as shown. If the normal stress in each rod must be limited to 107 MPa, determine the minimum diameter required for rod 1 and rod 2. Assume P = 80 kN and Q = 140 kN. Express your answer in mm rounded to the nearest hundredths.
Q2: The 20-mm-diameter bolt fastens two wooden planks together... Find the smallest thickness of each plankes if the working bearing stress for wood is 13 MPa.
A cylindrical pressure vessel is fabricated from steel plating that has a thickness of 30 mm. The outer diamter and thickness of the pressure vessel is 500 mm and 10 mm. Its length is 2m. Determine the maximum internal pressure (MPa) that can be applied if the longitudinal stress is limited to 155 MPa, and the circumferencial stress is limited to 55 MPa.
Please answer within 1 hour, thank you! The truss above is designed in such a way that all compression and tension members have an area of 300 mm2 and 450 mm2, respectively. If the force P = 35 kN and all the member lengths are equal, determine the stress (MPa) of member CE.
A uniform cross section rod is composed of an aluminum section rigidly attached between steel and bronze sections. Axial loads are applied at the positions indicated.If P = 5.8 kN and the allowable stresses on the steel, aluminum and bronze are 40 MPa, 30 MPa and 25 MPa, respectively. Determine the minimum safe diameter for the rod. Answer: d= ___________________
A 35-mm diameter rivet joins the plates that are each 150 mm wide. The allowable stresses are 200 MPa for bearing in the plate material and 80 MPa for shearing of the rivet. Determine the minimum thickness of each plate. Answer: t = ___________________
A steel pipe (E1=200 GPa) surrounds a solid aluminum-alloy rod (E2 =70 GPa), and together they are subjected to a compressive force of 200 kN acting on rigid end caps. Determine the shortening of this metallic compression member, and determine the normal stresses in the pipe and in the rod.
For a steel rod with a circular cross section with a diameter of D = 20 mm, the following is required: 1. Draw a diagram of the longitudinal force 2. Draw a diagram of normal stresses 3. Determine the total elongation of the rod if Е = 2∙10^5 MPa When calculating, take: а = 2 m, b =1.2 m, F=10 кN - The point of application of force! The work must be done on one sheet of A4 paper, which must show: - Using the method of sections to determine the longitudinal forces in the rod. - Draw a diagram of longitudinal forces N - Determination of normal stresses based on the constructed plot of longitudinal forces. - Draw diagram a normal stresses - Determination of the full extension of the rod
Two solid cylindrical rods (1) and (2) are joined together at flange B and loaded, as shown. The diameter of rod (1) is d1 = 1.66 in. and the diameter of rod (2) is d2 = 2.68 in. Determine the normal stresses in rods (1) and (2). Assume P = 17 kips and Q = 29 kips. Use positive for tensile stress and negative for compressive stress.
Determine the normal stress in MPa in members FE, BE and BC of the truss and state if the stresses are in tension or compression. Set P1 = 7.1 kN, P2 = 12.0 kN. The diameter of the cross-sectional area of each member of the truss is 47mm.
A thick cylinder internal diameter 240mm external diameter240mm internal diameter ‘D’ is subject to external pressure of 50MPa. Determinethe diameter ‘D’ if the minimum hoop stress in the cylinder is not to exceed200MPa.

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2. Determine the smallest allowable cross-sectional areas of each 400 kN members for the truss shown. The working stresses are 60 MPa in tension and 45 MPa in compression. 3 m 500 kN B 2 m 50° 4 m D