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- The sketch shows an oil manometer that is connected between two pipes which transport water. The density of water can be taken as 998kg/m3, the specific gravity of glycerol is 0.76 and atmospheric pressure is 100 kPa. The respective dimensions (as shown on the sketch) are given below: h1 = 0.17 m h2 = 350 mm h3 =15cm. From the given data, calculate the pressure difference between the two pipes.Q1/ A piston pushes down on a volume of hydraulic oil ISO 68, trapped in a cylinder, its bore is 10cm, and the height of the unstressed column of oil is 50cm. The oil has a bulk modulus B=2.2 *105 psi. When a force of 2500N is applied to the piston. How much does the piston displace? Note : (The ISO 68 has a density of 54.9 Ib/ft(880 kg/m³)When a clean glass tube with a diameter of 2 mm is immersed in water at 20 ° C, how many mm will the capillary rise occur in the glass tube? For water at 20 ° C, surface tension is given as 0.073 N / m, density 1000 kg / m3, contact angle 0 ° C and gravitational acceleration 10 m / s2.
- In Figure below all fluids are at 20 deg.C. Determine pressure at point B, if pressure at point A is 150 kPa and weight of air is neglected. Use the table below for the densities at 20 deg.C. Liquid p. kg/m Kerosene - Ammonia 608 Benzene 881 Air Carbon tetrachloride 1590 Benzene Ethanol 789 Ethylene glycol Freon 12 B 1117 40 cm 9 cm 1327 20 cm Gasoline 680 14 cm Glycerin Kerosene 1260 t8 cm 804 Mercury- Water Mercury Methanol 13,550 791 SAE 10W oil 870 SAE 10W30 oil 876 SAE 30W oil 891 SAE 50W oil 902 Water 998 Seawater (30%e) 1025A vertical dam has a semicircular gate as shown in the figure. The total depth d of the figure is 12 m, the height h of air above the water level is 2 m, and the width w of the gate is 10 m. Find the hydrostatic force (in N) against the gate. (Round your answer to the nearest whole number. Use 9.8 m/s2 for the acceleration due to gravity. Recall that the weight density of water is 1,000 kg/m³.) 1040542 12 m XN 10 m 2 m water level Ⓡ1. Find the density of an oil filled in the liquid column as shown in figure. Given that absolute pressure at the bottom is 500 kPa, atmosphere pressure is 1.0132 bar. where X=4m; Y = 4m, Z=1.25m. (Enter only the values in the boxes by referring to the unit given in the bracket. Do not send the hand written answer sheets to my mail) water oil Y Mercury The density of the oil = (unit in kg/m³) =
- For a liquid with the contact angle of 53.6 degrees and surface tension of 0.075 N/m, capillary rise is 2.50 m. What is the expected capillary rise in meters if the liquid is replaced with another with a contact angle of 12.7 degrees and a similar surface tension? (answer should be accurate to 2 decimal places) Answer:The sketch shows an oil manometer that is connected between two pipes which transport water. The density of water can be taken as 998kg/m3, the specific gravity of glycerol is 0.76 and atmospheric pressure is 100 kPa. The respective dimensions (as shown on the sketch) are given below: h1 = 0.17 m h2 = 350 mm h3 =15cm. If the pressure gauge gives a reading of 19 kPa, what is the absolute pressure in pipe B?A tidal barrage is in the shape of a quarter cylinder of radius r=16m, as shown in the picture above. If the barrage is 13m wide and holds back water of density 1014kg/m³ to its full height, what is the magnitude of the vertical force on the barrage? Assume that the atmospheric pressure is constant. Give your answer in Kilo Newtons to the nearest whole number. Use an acceleration due to gravity of g=9.81m/s²
- A semicircular plate with radius r= 2 is submerged in water as seen in the picture. Using the facts that the density of water is 1000 kg/m³ and acceleration due to gravity is 9.8 m/s², calculate the fluid force (in N) against the side of the plate. Make sure your answer is correct to three decimal places at least. Fluid force radius-r NThe inclined tube manometer shown in the next figure is used to measure small pressure perturbations (Ap). This manometer is composed of a large tube (diameter (D), area (A)) and a small inclined capillary tube (diameter (d), area (a)) and angle (0). Any small pressure difference will result in fluid displacement (Ah) in the large tube and a significant displacement of the fluid in the capillary at a length (AL.). Ap AL initial level Ap (1) Obtain a relationship between (Ah) and (AL) ! (hint: displaced liquid in large tube is equal to that in the small tube ) (2) What the formula for (z2 – 21) ? (hint : height between level 2 and level 1) (3) Express the pressure (Pz-P1) in terms of (AL, 0, p, g, d, and D) ? (4) At what angle should the manometer be adjusted so that (AL-5 Ah) ?Fluid mechanics, I need solutions in 15 minutes please. MCQ/Determine the horizontal and vertical components of the liquid pressure acting on the semicylindrical gate ABC, as shown in the figure. The width into the paper is 1 m. A-Fx = 257.430 kN and Fy = 59.801 kN B-Fx = 164.018 KN and Fy = 37.229 KN C-Fx = 269.894 kN and Fy = 65.526 KN D-Fx = 98.182 kN and Fy = 20.002 KN E-Fx = 234.789 kN and Fy = 52.418 kN F-Fx = 187.005 kN and Fy = 42.182 KN G-Fx = 119.956 kN and Fy = 25.550 KN H-Fx = 141.327 kN and Fy = 31.171 KN I-Fx = 288.147 kN and Fy = 69.098 KN J-Fx = 213.112 kN and Fy = 47.903 KN