Find the required diameter of a droplet of water in order to have a pressure of 1 kPa within it, relative to pressure outside it. Use surface tension, a = 0.514 N/m.
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Find the required diameter of a droplet of water in order to have a pressure of 1 kPa within it, relative to pressure outside it. Use surface tension, a = 0.514 N/m.
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- A tank contains oil (s = 0.80), gasoline (s = 0.90) and sea water (s = 1.03). If the depth of the liquids are 0.5 m, 0.8 m and 1 m for oil, gasoline and sea water respectively. Find the pressure at the interface of oil and gasoline and bottom of the tank.3. Calculate the volume if it is v1=1.5 L, P1= 100 Kpa , p2= 50 kpa3. 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/m
- For the vertical wall shown on the left, the oil thickness is assumed to be 0.2 m and its SG is 0.8. Assume the wall and gate width (into the paper) are 2 meters. Draw the pressure diagram. Assume the density of water is 1000 kg/m2 and g = 9.8 m/s2. Oil Determine а. Pressure at the interface between oil and water Water b. Pressure on the hinge С. Pressure at the base of the gate 2.1 m d. Amount of force acting on the gate Hinge е. Location of the force relative from the hinge 2-m-wide 0.8 m gateA barrel is filled with two unknown fluids. The total hydrostatic pressure at the bottom of the barrel is 6.51 kPa. If the pressure of fluid 1 is twice as the pressure produced by fluid 2, find the specific gravity of the denser fluid if it occupies 2/3 of the barrel’s height. The height of the barrel is 0.5m. (The shape of the barrel is uniform).A large open container contains at the top, and water at the bottom. The height of the vessel is 3.66 m. The water level is 0.61 m measured from the bottom. The remaining portion is filled with the oil having a density of 917kg/m^3. A. Calculate the pressure in Pa at a distance of 3.05 m from the top. B. Calculate the total pressure in Pa at the bottom of the tank
- A glass tube of intemal diameter 3 mm is immersed in mercury. The angle of contact of mercury with glass can be taken as 130°. What will be the level of Hg in the tube relative to the free surface of the liquid outside the tube? Take surface tension of liquid 0.48 N/m.A glass tube of internal diameter 3 mm is immersed in mercury. The angle of contact of mercury with glass can be taken as 130°. What will be the level of Hg in the tube relative to the free surface of the liquid outside the tube? Take surface tension of liquid = 0.48 N/m.A tank is filled with fluid under pressure and the pressure gauge fixed at the top indicates a pressure of 21 kPa. The curved surface of the top is quarter of a circular part of radius 2.6 m. calculate the magnitude (N) and direction (degree) of the resultant force on the curved surface. (p =950 kg/m³ for fluid) IB
- A semicircular gate with a radius R = 7 ft is hinged along B and held by a horizontal force FA applied at A. The picture on the right shows the gate if you were looking in the direction of the arrow beneath FA. The liquid to the left of the gate has a specific weight of y-64.8 lbf/ft° and a depth of H-26 ft. Calculate the force of the liquid on the gate in Ibf. FA A Gate: side view R ВA tank is filled with fluid under pressure and the pressure gauge fixed at the top indicates a pressure of 21 kPa. The curved surface of the top is quarter of a circular part of radius 2.6 m. calculate the magnitude (N) and direction (degree) of the resultant force on the curved surface. (p =950 kg/m3 for fluid)3_Calculate the volume if it is v1=1.5 L, P1= 100 Кра, р2- 50 kpa.
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