Question 2 The device is used to measure a change in temperature. Bars AB and CD are made of A-36 steel and 2014- T6 aluminium alloy respectively. When the temperature is at 40°C, ACE is in the horizontal position. Determine the vertical displacement of the pointer at E when the temperature rise to 80°C. 36 mm B 6 mm D 72 mm- اساساسا
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- 21:19 40 A 9 41%- Chegg Home Expert Q&A My answers ( Civil Engineering Question The rope ABexerts a 46 - N force T on the collar at A Let rCA be the position vector from point Cto point A (Figure 1) Figure You answered Bo P1 IITWO CONCRETE BLOCKS WEIGHING 1800 N EACH FORM PART OF THE RETAINING WALL OF A SWIMMING POOL. WILL THE BLOCKS BE IN EQUILIBRIUM WHEN THE POOL IS FILLED, AND THE POOL EXERTS THE LINE LOADING SHOWN? IF YES, WILL IT SLIDE OR TIP? ALSO, DETERMINE THE HEIGHT OF WATER IN WHICH THE POOL WILL BE FILLED SUCH THAT THE BLOCKS WILL BE IN EQILIBRIUM. 300 mm 540 mm A-0.5 540 Plastic liner mm A-10 6NmmQuestion 2 The device is used to measure a change in temperature. Bars AB and CD are made of A-36 steel and 2014- T6 aluminium alloy respectively. When the temperature is at 40°C, ACE is in the horizontal position. Determine the vertical displacement of the pointer at E when the temperature rise to 80°C. 36 mm B 6 mm 72 mm. السياسا
- (b) A solid circular rod as in Figure Q1(a) is 600 mm long and 20 mm diameter. The rod is subjected to an axial force of P = 50KN. Upon loading, the elongation of the rod is 8 = 1.40 mm, and its diameter reduce to d' = 19.9837 mm. Determine the modulus of elasticity of the material. Assume that the material does not yield.2 - Reflect & comment on how would you solve the problem if the system is subjected to ground motion? What if the spring is a yielding (bilinear or nonlinear) spring - as an example AASHTO's idealized bilinear force-displacement relationship for isolators is shown below. Force Fmax Kef Displacement Umax Uy EDC250 mm 100 mm +15 mm 75 mm 10 mm 10 mm a.) Which of the following will give the total area of the figure b.) Which of the following will give the location of N.A from the bottom fiber.. c.) Which of the following will give the location of N.A from the top fiber. d.) Which of the following will give the Moment of inertia of the figure along x-axis e.) Which of the following will give the location of N.A from the outer most left fiber
- 4 m 450 mm [s0 mn [50 mn 18 350 mm 50 mm Figure la Figure Ib Before a diver jumps into the water, helshe stands at point C, causing a deflection of the board A-B-C in the figure. The board A-B8-C has a modulus of elasticity of E = 15 MPa with the sketched dimensions and cross-section (fig. 1b). Assume g=10 mis?. Provide all steps of your working and solutions handwriten; include diagrams and coordinate systems. a. Determine the reactions at each support A and B. Use the variable w for the weight of the diver, include a free-body diagram.Photos 4 Crop & rotate Filters * Adjustments 2 Undo all Redo all Crop & rotate Straightening 0 ° Two round bars are joined and used as a tension member as illustrated. The modulus of elasticity is 200 GPa for steel and 70 GPa for aluminum. Rotate D4 Flip O Aspect ratio : Custom Aluminum 100 mm diameter Reset bar 50 mm diaineter P Steel bar +280 mm 400 mm Determine the magnitude of the force P (in kN) that willI lengthen the two bars 0.45 mm. * Your answer Save a copy Cancel 6:50 PM O Type here to search 日 28°C Partly cloudy 4)) ENG 23/09/2021Calculate for the degree of indeterminancy.If nth degree, input nIf unstable, input -1If determinate, input -2
- Exercise 1 : Find the deflection at the point load and the slopes at the ends for the steel shaft which is simply supported at the bearing A and B as shown in Fig.1. Calculate the following: a. Deflection at the point load b. Slope at the ends - 1.25 x 10 mm 3000 N I2= 4x 10 mm B 150 mm 75 mm /- 125 mm Fig-() Take E-200 GPa. Given: Young's modulus, E = 200 GPa - 200 x 10 Pa (or) 200 x 10 N/m2 E - 200 x 10 N/m2 = 2x 10 N/mm2 Moment of inertin, Element i and 2, I, = 1.25 x 105 mm4 Element 3, 1, - 4 x 10 mm 3000 N my. : m2, 2 dyn. Fiy 150 mm da Fay d,3 Fay dye, Fay 125 mm t75 mm Fig. (i). For ciement 1, length L, = 150 mm For element 2, length L, - 75 mm For element 3, length L, = 125 mm Point load at node 2, F, =' 3000 N Fig.1130 N A 30 mm C Determine also: a) Force at A b) Force at B c) Force at C В D -40 mm- -60 mm Analytical solution, two digits behind comma.In (Figure 1), d = dy = 3.6 in. The equation of the curve in the figure is y² = 3.6x. y2 Figure dx dy