R8-6. The head H is connected to the cylinder of acompressor using six steel bolts. If the clamping force ineach bolt is 4 kN, determine the normal strain in the bolts.Each bolt has a diameter of 5 mm. If ay = 280 MPa andE - 200 GPa, what is the strain in each bolt when the nutis unscrewed so that the clamping force is released?

Given Data: Clamping force on bolt is F = 4 kN. Modulus of elasticity is Est = 200 GPa. Yield…

Answered: R8-6. The head H is connected to the…

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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The A-36 steel bar consists of two segments, one ofcircular cross section of radius r, and one of square crosssection. If the bar is subjected to the axial loading of P,determine the dimensions a of the square segment so thatthe strain energy within the square segment is the same asin the circular segment.
The A-36 steel bar consists of two segments, one of a circular cross-section of radius r, and one of square cross-section. If the bar is subjected to the axial loading of P, determine the dimensions of the square segment so that the strain energy within the square segment is the same as in the circular segment.
The nylon cord has an original length L and is tied to a bolt at A and a roller at B. If a force P is applied to the roller, determine the normal strain in the cord when the roller is at C, and at D. If the cord is originally unstrained when it is at C, determine the normal strain P′ D when the roller moves to D. Show that if the displacements Δ C and Δ D are small, then P′ D = PD − PC.
The force applied at the handle of the rigid lever causes thelever to rotate clockwise about the pin B through an angleof 2.Determine the average normal strain in each wire. Hint: Thewires are unstretched when the lever is in the horizontalposition.
The friction pad A is used to support the member,which is subjected to an axial force of P = 2 kN. Thepad is made from a material having a modulus ofelasticity of E = 4 MPa and Poisson’s ratio n = 0.4.If slipping does not occur, determine the normaland shear strains in the pad. The width is 50 mm.Assume that the material is linearly elastic. Also,neglect the effect of the moment acting on the pad.
Determine the maximum force P and the corresponding maximum total strain energy that can be stored in the truss without causing any of the members tohave permanent deformation. Each member of the truss has a diameter of 2 in. and is made of A-36 steel.
If P = 60 kN, determine the total strain energy stored in the truss. Each member has a cross-sectional area of 2.5(103) mm2 and is made of A-36 steel.
The A-36 steel post is subjected to the forces shown. If the strain gages a and b at point A give readings of Pa = 300(10-6) and Pb = 175(10-6), determine the magnitudes of P1 and P2.
The strain at point A on the pressure-vessel wall has components Px = 480(10-6), Py = 720(10-6), gxy =650(10-6). Determine (a) the principal strains at A, in the x9y plane, (b) the maximum shear strain in the x9y plane, and (c) the absolute maximum shear strain.
Determine the maximum force P and thecorresponding maximum total strain energy stored in thetruss without causing any of the members to have permanentdeformation. Each member has the cross-sectional area of2.5(103) mm2 and is made of A-36 steel.
If P = 30 kN, determine the total strain energy stored in the truss. Each member has a cross-sectional area of 2500 mm2 and is made of A-36 steel (E=200 GPa).
The observation cage C has a weight of 250 kip and through a system of gears, travels upward at constant velocity along the A-36 steel column, which has a height of 200 ft. The column has an outer diameter of 3 ft and is made from steel plate having a thickness of 0.25 in. Neglect the weight of the column, and determine the average normal stress in the column at its base, B, as a function of the cage’s position y. Also, determine the displacement of end A as a function of y.

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