Stress and strain are related by:
a. |
Young’s Modulus |
|
b. |
Bulk Modulus |
|
c. |
Shear Modulus |
|
d. |
Hooke’s Law |
Stress and strain are related by: a. Young’s Modulus b. Bulk Modulus c. Shear Modulus d....
The bulk modulus is used to measure the: Strain hardening of a material Stiffness of a volume of a material Volumetric strain of a material Resistance to lateral straining of a volume of material Question 50 Dilatation is a measure of. O Volumetric strain O Swelling O Stress concentrations Strain concentrations Question 51 When designing a beam, if several structural members with adequate section moduli are available, one can narrow the choice by considering: Weight Depth Flange depth O Web...
1. An alloy of steel has a Young’s modulus of 180 GPa , elastic limit of 0.002 and ultimate tensile strength of 860 MPa . An alloy of aluminium has a Young’s modulus of 70 GPa , elastic limit of 0.004 and ultimate tensile strength of 110 MPa . a) Sketch a stress-strain graph for both of these alloys, plotting them on the same graph b) Label significant positions on the graphs c) Compare and contrast the mechanical properties of...
( formula and units ) -vertical stress ? -vertical strain ? -shear stress ? -shear strain ? -axial strain ? -plane stress ?
An aluminium ball with Bulk Modulus of 70 x 10° N/M2 with radius of 0.5m falls to the bottom of the sea where the pressure is 150ATM. Calculate: a) What is the original volume of the ball b) What is the change in volume c) What is the new volume of the ball d) What is the bulk stress of the ball e) Calculate the bulk strain on the ball An aluminium ball with Bulk Modulus of 70 x 10°...
For a body undergoing plane strain conditions, which of the following is true? The out-of-plane normal stress is zero a. b. The in-plane strain is zero c. The in-plane stress is zero d. The out-of-plane stress is zero e. The out-of-plane shear stress is zero For a body undergoing plane strain conditions, which of the following is true? The out-of-plane normal stress is zero a. b. The in-plane strain is zero c. The in-plane stress is zero d. The out-of-plane...
The displacement field in a steel machine component (Young’s modulus, E = 210 GPa and Poisson’s ratio, ? = 0.33) is given (in metres) by the following expressions: ux = c(x2 + ?) + 2c uy = 2cx2 − cy uz = c? + 5c? where c = 10−4. For a point (x, y, z) positioned at (1, 1, 1) calculate a) The strain components; [4 marks] b) The stress components and sketch a stress element showing how they act;...
A tire stops a car by use of friction. What modulus should we use to calculate the stress and strain on the tire? compression modulus none of the above. shear modulus bulk modulus Young's modulus
a. Relationship between average normal stress and normal load perpendicular to a cross-sectional area b. Relationship between average shear stress and shear load in-plane with a cross-sectional area C. Average normal strain along a line on a body, given initial and final line lengths d. Hooke's Law applied to relationship between axial stress and strain e. Hooke's Law applied to relationship between torsional stress and strain f. Poisson's ratio between longitudinal and lateral strains g. Modulus of elasticity of steel...
A strain gauge affixed to the outside of a cylindrical pressure vessel at an angle of θ = 35° reads ε = 400 μm/m. The outside diameter of the vessel is 500mm and the wall thickness is 5 mm. If the veseel is constructed of A36 steel, determine the following: a) The hoop and longitudinal stresses in the tank. Hints: To solve you will need to consider the equations for strain transform and generalized Hooke’s Law. The hoop and longitudinal...
Combine the Plane Stress information that the circle provides with Hooke’s Law to determine the Modulus of Elasticity plain for this copper material. Note that G = 78.358GPa.