By the equipment as shown in the figure, temperature can be measured. The bar AB and CD are made from aluminum and titanium. The coefficients of thermal expansion are 23.6x106 1/K and 8.2x10-6 1/k. Obtain the relationship between the temperature and the vertical displacement at the point E. 6 mm 72 mm 36 mm D

A steel bolt has a diameter of 8 mm. The bolt is encased by a bronze tube that has an outer diameter of 15 mm and inner diameter of 8 mm. A force is applied to the bolt. F d3 d1 F Values for the figure are given in the following table. Note the figure may not be to scale. Variable Value F₁ 25 kN Esteel 200 GPa Ebronze 105 GPa a. Determine the magnitude of the normal force in the steel bolt, Nsteel. b. Determine the magnitude of the normal force in the bronze tube, Nbronze. c. Determine the magnitude of the normal stress in the steel bolt, σsteel. d. Determine the magnitude of the normal stress in the bronze tube, σbronze Round your final answers to 3 significant digits. Nsteel = KN Nbronze = KN σ steel = MPa MPa Obronze

In mechanical resistance

At a point on the free surface of a machine part (E = 214 GPa, G = 83 GPa), the state of the stress is illustrated in the figure below. For the given plane stress condition determine: -all 3 principle stresses, the max in plane stress, average noemal stress and the absolut max shear stress. - Show the principle stress, the max inplane shear stress and the average normal stress on an appropriate schematic