A 1.2 mm diameter tube is inserted into an unknown liquid whose density is 960 kg/m3, and it is observed that the liquid rises 5 mm in the tube, making a contact angle of 15°C. Proof the formula and determine the surface tension of the liquid?
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- One side of the container has a 03-m square door that is hinged at its top edge. If the container is filled with water, determine the smallest force F that must be applied to the bottom edge of the door to keep it closed.Step by Step Determine the distance that the column of fluid will rise in a 1-cm open tube when the tube is inserted in fluid with a density of 990 kg/m^3 and a surface tension of 0.09 N/m. Provide answer in cm and assume a contact angle of 0-degree.A 'U' tube is made of two capillary tubes; one 2 mm in diameter and other 4 mm in diameter. The tube is vertical and partially filled with water of surface tension 0.0736 N/m and zero angle of contact. Calculate the difference of levels in the tubes. Diagrammatic Representation : „ 2mme - Amme Wator
- The pipe (0-1-2) shown in the …gure is angled upward at 30 and is …lled with water. The distance from (1) to (2) (along the pipe) is 1.2 m. The manometer liquid is mercury. For part (a), the pipe is capped at location (0) so that the water is stationary in the pipe. What would be the value of h in this case? For part (b), the pipe shown is just a section of a much longer pipe, and water is ‡owing upwards from (0) to (1) to (2). If the pressure loss due to friction from location (1) to location(2) is 20 kPa, what is the value of h in this case?3. Consider a 0.15 mm diameter air bubble in a liquid. Determine the pressure difference between the inside and outside of the air bubble if the surface tension at the air-liquid interface is a.0.08 N/m b.0.12 N/mA multifluid container is connected to a U-tube, as shown in the figure. For the given specific gravitles and fluid column heights. determine the gage pressure at A. Also determine the height of a mercury column that would create the same pressure at A. The column heighth of oil is 86 cm. The specific gravitles are 1.26 for glycerin and 0.90 for oll. We take the standard density of water to be Pw=1000 kg/m³ and the specific gravity of mercury to be 13.6. h 35 cm 18 cm Į Oil SG-0.90 Water Glycerin SG-1.26 90 cm 15 cm The gage pressure at A is kPa. The height of a mercury column that would create the same pressure at A is cm.
- The capillary rise and fall in the glass tube used for both measuring water level and mercury level is not to exceed 0.8mm and 0.3mm respectively. Determine the minimum size of a glass tube for both liquids, given that surface tension of water = 0.082N/m and surface tension of mercury= 0.52 N/m with diagram.A manometer consists of two tubes A and B, with verticalaxes and uniform cross-sectional areas 500 mm2and 800 mm2respectively, connected by a U-tube C of cross-sectional area70 mm2throughout. Tube A contains a liquid of relative density0.8; tube B contains one of relative density 0.9. The surfaceof separation between the two liquids is in the vertical side of Cconnected to tube A. What additional pressure, applied to thetube B, would cause the surface of separation to rise 60 mm inthe tube C?Knowing that the pressure is gauge pressure . Also, I want you to solve it , by using the equation I provided .
- 2. A 1.2 mm diameter tube is inserted into an unknown liquid whose density is 960 kgm/m3, and Determine it is observed that the liquid rises 5 mm in the tube, making a contact angle of 15°. the surface tension of the liquid. une a IS2. The tank shown contains alcohol (SG=D0.78) and covered by a circular plug 1.2 m in diameter. Calculate the hydrostatic force F Am acting on the plug and its center of pressure. 8m 1.2 m 3. The gate as shown is 3 m normal to the page. It keeps the two liquids from mixing with each onough clocuro botween the oil andPgage U-shaped liquid manometer is connected to a closed tank, which contains water and air. The gage pressure in the tank is Pagge = 30 kPa. The manometric fluid is mercury, with density pmercury = 13600 kg/m³, and the water density is Pwater 1000 kg/m³. Determine the readings of the liquid manometer (h = ?), as shown on the figure, if the specific weight of the air is neglected. Air Im Water Im Im %3D h Mercury