A 100mm* 40 mm* 20 mm steel block is subjected to a hydrostatic pressure of 10MPa. The Young's modulus and Poisson's ratio of the material are 150 GPa and 0.1 respectively. Determine change in volume of the block.
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- Water in a hydraulic press, initially at 137kPa absolute, is subjected to a pressure of 280 kPa absolute. Using E=2.5GPa, determine the percentage decrease in the volume of water?A thin cylinder of external diameter 820 mm, length 3 m and wall thickness of 10 mm is subjected to an internal pressure of 2.5 N/mm2 . Determine the change in diameter and length. Take Young’s modulus = 2×105 N/mm2 and Poisson’s ratio = 0.25.The tank shown in the figure is 3 m wide into the paper. Neglect atmospheric pressure. Use ?????? = 9.79 kN/m³. Determine the following: A. vertical component of the total hydrostatic force on the quarter circle panel AB in kN B. Resultant hydrostatic force acting on the quarter circle panel AB in kN C. Angle that the resultant hydrostatic force make with the horizontal in degrees.
- A concrete dam retaining water is shown in the picture. If the specific weight of concrete is 23.5 kN/m3 , 2. Find the maximum intensity of pressure? 5. Find the resultant force? 7. Determine the minimum intensity of pressure?(Bernoulli/continuity) Water flows steadily through the pipe shows in the figure below such that the pressures at sections (1) and (2) are 346 kPa and 107 kPa, respectively. Determine the diameter of the pipe at section (2), D2, if the velocity at section 1 is 21 m/s and viscous effects are negligible1. A concrete dam retaining water is show in the figure. If the specific weight of concrete is 23.5 KN/m^3. What is the factor of safety against overturning? Find the location of the resultant. Find the maximum intensity pressure. Determine the minimum intensity pressure.
- Water flowing along a horizontal pipe has a speed of 2.77 m/s and a pressure of 4.41 atm. Further along, the pipe narrows so that the cross-sectional area decreases by a factor of 6.62. What is the pressure in the narrow section?2. What is the equivalent pressure head at the toe of the triangular dam in mm of Mercury? In meters of glycerine (s=1.35)?Water at a temperature of 30°C flows through a concrete pipe with a diameter of 30 cm along a length of 500 m and has a flow rate of 0.03 m³/s. Calculate the pressure loss or drop in the pipe using a moody diagram. Also draw the friction factor on the moody diagram
- A cylindrical tank 2m in diameter and 15 meters high is filled with liquid Z. A pressure gage at elev 10 m at the side of the tank reads 105 kPa. another gage at elev 6m reads 138 kPa. compute the (a) specific weight of the liquid and (b) density of the liquid.A right circular cylindrical tank container, 2m in diameter and 4m high is 1/2 full of water. When rotated about its vertical axis at the rate of 60 rpm:A.) How many meters will the water surface drop at the center of the vessel? B.) What is the pressure, in kPa, at the base of the container along the perimeter? C.) What is the volume, in m^3, of the paraboloid formed by the rotation of the vessel? (Show complete solution)A large, open cylindrical tank is 18.0 feet deep having a radius of 7.00 feet is layered with 6.00 feet of water (SG = 1.00) 8.00 feet of oil (SG = 0.650) and 4.00 feet of mercury (SG = 13.6). Compute the pressure (psi) at the bottom of each layer