An oil of viscosity 1.5 Ns/m² flows between two parallel plates and the maximum velocity of flow is 1.5 m/s. If the shear stress acting at plate is 105 N/m², then the distance between the plates is. mm (round off to two decimal places).
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- At a point on the surface of an elliptical exercise machine the material is in biaxial stress with og = 3,300 psi, and oy = -1,400 psi, as shown in the figure part a. The figure part b shows an inclined plane aa cut through the same point in the material but oriented at an angle 0. (a) (b) Determine the value of the angle 0 between zero and 90° such that no normal stress acts on plane aa. Round your answer to two decimal places. Round your answers to nearest whole number. psi psiA circular aluminum alloy [E = 70 GPa; α = 22.5 × 10–6/°C; ν = 0.33] pipe has an outside diameter of 225 mm, a wall thickness of 15 mm, and a length of 5.0 m. The pipe supports a compressive load of 670 kN. After the temperature of the pipe drops 48°C, determine: (a) the axial deformation of the pipe. (b) the change in diameter of the pipe.Q. No .3 On the free surface of an aluminum [E = 10,000 ksi; v = 0.33] component, the strain rosette shown in the figure was used to obtain the following normal strain data: = -500 µɛ, E = -220 µe, and &e = +600 µɛ. Determine the normal stress that acts along an axis that is rotated at an angle of 0= 45° coun- terclockwise from the positive x axis. 60 60 60
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- A strain gage is installed in the longitudinaldirection on the surface of an aluminum beveragecan (see figure). The radius-to-thickness ratio of thecan is 200. When the lid of the can is popped open,the strain changes by ε0 = 187 X10-6.(a) What was the internal pressure p in the can?(Assume E =10 X106 psi and n = 0.33.)(b) What is the change in strain in the radialdirection when the lid is opened?2. A copper rod of diameter 12 mm is subjected to a compressive force of 8 kN. The change in diameter happens to be 4.5 x 103 mm. Determine the strain along the length of the material and the Poisson's ratio when E = 110 GPa.The bar shown below has a constant width of 59 mm and a thickness of 17 mm. The maximum average normal stress in the bar when it is sujected to the loading shown will be: ___ MPa. Calculate your answer to 1 decimal place.