1. A 300mm long composite bar is constructed by bonding an alloy steel outer sleeve of outside diameter 75 mm to a solid mild steel core of diameter 67 mm. A tensile force of 200kN was applied to the composite bar. If the modulus of elasticity for the mild steel is 208 GN/m² and that for the alloy steel is 360 GN/m². Determine the following values for the composite bar: Calculate: a) The stress in the mild steel core. a) The stress in the alloy steel sleeve. a) The extension under loading of the composite bar.

1. A 300mm long composite bar is constructed by bonding an alloy steel outer sleeve of outside diameter 75 mm to a solid mild steel core of diameter 67 mm. A tensile force of 200kN was applied to the composite bar. If the modulus of elasticity for the mild steel is 208 GN/m² and that for the alloy steel is 360 GN/m². Determine the following values for the composite bar: Calculate: a) The stress in the mild steel core. a) The stress in the alloy steel sleeve. a) The extension under loading of the composite bar.

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

A composite column is formed by placing a steel bar 20 mm diameter and 200 mm long, inside an alloy cylinder of the same length of 1.5m and whose internal and external diameters are 20 mm and 25 mm respectively. The column is then subjected to an axial load of 50 kN. Modulus of elasticity for steel and alloy is 200000MPA and 70000MPA respectively. Which of the following gives deformation of steel? Select one: a. 2.0 mm b. 3.0 mm C. 4.0 mm d. 1.0 mm
The armor shown supports loads of 3 KN. The horizontal elements are 713cm long each. Determine the axial force on element FE; Use the section method to determine the axial force in the FE element and check your result with the nodal or joint method. INFO: Y= 100 cm
A metal block of cross-section area A and length L is subject to a tensile stress of S. The block elongates by a length of 0.002L. Another block made from the same metal is subject to the same tensile stress. If this block has a cross-section area of 2A and a length of 2L, determine the elongation of the block.
A composite section 2 m in length, consisting of a steel tube with outer diameter 24 mm and thickness 3 mm, encloses a solid copper bar 18 mm diameter. An axial compressive load of 250 KN is applied on the assembly. Young’s modulus for steel and copper are taken as 2 x 105 N/mm2and 1 x 105N/mm2respectively. Calculate the stresses developed in steel and copper. Also calculate the load taken by both the materials.
2. A compressed bar having a square cross of width b must support a load P = 37kN. The two parts of the bar are connected by a glued joint along plane p-q, which is at an angle a = 40° to the vertical. The bar is constructed of a structural plastic for which the allowable stresses in compression and shear are 7.6 MPa and 4.1 MPa, respectively. In addition, the allowable stresses in the glued joint are 5.2 MPa in compression and 3.4 MPa in shear. 9 b Determine: a) compressive stress (MPa) in the glued joint b) shear stress (MPa) in the glued joint c) compressive stress (MPa) in the plastic bar d) max. shear stress (MPa) in the plastic bar e) the minimum width b (cm) of the bar based on shear in the glued joint as the failure mode ~2~
Q1/ The bar shown in Fig. 1 is subjected to a tensile load of 50 KN. Find the diameter of the middle portion if the 'stress is limited to 130 MN/m². Find also the length of the middle portion if the total elongation of the bar is 0.15 mm. Take E=200 GN/m². 50 kN Fig. 1 40 mm dia. + P x 250 mm 40 mm dia 50 kN
Mechanics of deformable bodies
PLEASE ANSWER NUMBER 2.MECH 222-MECHANICS OF DEFORMABLE BODIES: PLEASE GIVE DETAILED SOLUTIONS AND CORRECT ANSWERS. I WILL REPORT TO BARTLEBY THOSE TUTORS WHO WILL GIVE INCORRECT ANSWERS.
Please answer soon I will rate positive
A 2m long bar with square cross section of side 40 mm is subjected to compressive stress of 70 MPa along three mutually perpendicular directions. Take Young's modulus as 200 GPa and Poisson's ratio as 0.3 for the material. Determine change in volume. O a. 1.344 mm3 O b. 1.344 m³ O c. 1344 mm³ O d. 1344 m³
Question 24 A 3 m long hollow circular tube made from aluminium with an outside diameter 200 mm and a wall thickness of 10 mm is filled with a polymer matrix. It is subjected to a tensile axial force of 500 kN acting uniformly over the entire cross-sectional area of the filled tube. If the elastic modulus of the aluminium is E₂=75 GPa, and of the matrix is Em 15 GPa, calculate the normal direct tensile stresses acting on the two materials and the extension of the tube. = Which of the following answers is correct? The tensile stress in the aluminium is ten times larger than the tensile stress in the matrix The tensile stress in the aluminium is 45.2 MPa and the extension of the tube is 1.8 mm. The tensile stress in the matrix is 19.1 MPa and the extension of the tube is 3.1 mm. O The tensile stress in the matrix is 40.5 MPa and the extension of the tube is 2.5 mm. AMSUN The tensile stress in the aluminium is 54.7 MPa and the extension of the tube is 0.8 mm.
A solid homogeneous truss tie-rod has a diameter of 9.52 mm and an original length of 1.75 m experiences a stress of 600 MPa when placed under tension. If the material used for the truss tie-rod has a Young's Modulus, E, of 5.8 x 1011 N/m?, calculate: (i) the tie-rod's extension in millimetres (mm); (ii) the strain energy (U) in Joules; and (ii) the strain energy per unit volume (U/V) in Joules per cubic metre (m³). Give your answers to two decimal places.