Question 1A plastic-lined steel pipe has the cross-sectional shape shown in Figure Q1 The steel pipe100 mm and inner diameter d2 94 mm The plastic liner hashas an outside diameter dan inner diameter d, 82 mm The modulus of elasticity of the steel is 75 times the modulusof the plasticDetermine the allowable bending moment Mallow f the allowable stress in the steel is 35MPa and that in the plastic is 600 kPaIf the pipe and Iiner diameters remain unchanged, what new value of allowable stressfor the steel pipe will result in the steel pipe and plastic liner reaching their allowablestress values under the same maximum moment (e, a balanced design)?What is the new maximum moment?d3d27Figure Q1 Composite steel-plastic pipe.

a)Elasticity of steel is equal to seven times of elasticity of plastic.

Answered: Question 1 A plastic-lined steel pipe…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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250 N 200 N A Im 2 m 2 m 500 N The bended pipe shown in the figure has a hollow circular cross section with an outer radius of 25 mm and inner radius of 15 mm. Consider the cross section of the pipe through point H. The point H is located at the top of this cross section. Using the coordinate axis given in the figure, (a) determine the torque (torsional moment) and the components of the shear force at the cross section at point H, (b) determine the components of the shear stress at point H due to shear force, (c) determine the shear stress at point H due to torque (torsional moment). Ensure that you express your answers using appropriate indices (subscripts), units and signs.
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An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 620 mm. The cross-sectional dimensions of the beam are b₁ = 39 mm, d₁ = 94 mm, b₂ = 23 mm, d₂ = 23 mm, and a = 8 mm. For this material, the allowable tensile bending stress is 17 MPa, and the allowable compressive bending stress is 11 MPa. Determine the largest moment M that can be applied as shown to the beam. ak a ↓ a M B A Answer: M = i L N•m b₁
An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 600 mm. The cross-sectional dimensions of the beam are b₁ = 36 mm, d₁ = 112 mm, b₂ = 22 mm, d₂ = 22 mm, and a = 7 mm. For this material, the allowable tensile bending stress is 15 MPa, and the allowable compressive bending stress is 9 MPa. Determine the largest moment M that can be applied as shown to the beam. b₂ ak ak ✓ a M B L A Answer: M = i N•m d₂
A concentrated load of P = 20 kN is applied to the upper end of a pipe with length L = 5 m. The outside diameter of the pipe is D = 330 mm and the inside diameter is d = 300 mm. Determine the magnitude of the maximum tension bending stress in the pipe. B A 105.9 MPa O 120.7 MPa O 113.9 MPa O 94.0 MPa 89.4 MPa L D
A circular solid cross-section cantilever is fixed at one end and bears a concentrated load P at the other. Over a 2m length, the diameter increases uniformly from 200 mm at the free end to 400 mm at the fixed end. At what distance from the free end will the bending stress in the cantilever be maximum? If the concentrated load P=30 KN, what is the maximum bending stress
Figure Q2 shows the cross section of a beam. The beam is simply supported over a span of 6 m and carries a vertical point load of 40 kN acting at its mid-span. Calculate The position of the horizontal centroidal axis of the cross-section from its bottom. The second moment area of the cross-section about the horizontal centroidal axis The maximum shear load per unit length (metre) at the lower surface of the top flange
A flexible connection consisting of rubber plates (thickness t = 9 mm) attached to the steel plates is shown in the figure. The plates are 160mm long and 80mm wide. (a) Determine the force that can be applied to the arrangement, if it is not to exceed a shear stress of 350kPa
A bending moment due to load applied on the head of femur bone which is offset by a distance (x= 50 mm) off the bone center for a person standing in relaxation.His weight is 70kg.1. Find the maximum bending stress induced due to the weight and compare it to the maximum comp. stress. R= 20mm t= 12mm.2. Draw the expression for the second moment (I) basing on min-wall hollow cylinder.3. Find the principal stress σ1, σ2, τx1y1, and the angle θp for point C and D shown.
Q2. In the extruded profile shown in the figure, the maximum allowable stress in tension is 120 MPa and the maximum allowable stress in compression is 150 MPa. Find the maximum bending moment that can be applied to this profile. 20mm 40mm 20 mm 54mm yc 40 mm A= bh h %3D C. Rectangular area A = %3D Triangular area
The T-beam shown in the figure has cross-sectional dimensions: b = 200 mm, t = 17 mm, h = 300 mm, and h₁ = 280 mm. The beam is subjected to a shear force V = 47 kN. A h₁ h с Determine the maximum shear stress max in the web of the beam. (Enter the magnitude in MPa. Assume that the shear force acts parallel to the y-axis and is uniformly distributed across the thickness of the web.) 4.0654 Your response differs from the correct answer by more than 10%. Double check your calculations. MPa

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