If a soap bubble has to sustain an absolute pressure of 101.35 kPa with its diameter being 25 mm then what will be the surface tension of soap-air interface ? (Consider atmospheric pressure equal to 101.325 kPa)
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- Consider a soap bubble 2mm in diameter and a droplet of water also 2mm in diameter that are falling in air. If the value of the surface tension for the film of the soap bubble is assumed to be the same as that of water, which has a greater pressure?The initial head is 300 mm in a falling head permeability test. It drops by 10 mm in 3 minutes.How much longer (in seconds) should the test continue, if the head is to drop to 180 mm ? a. 1681 b. 7145 c. 1457 d. 2532The viscosity of the liquid is 0.002 Pa.s and its density is 0.8. Get systematic fluid viscosity.
- A. Find Liquid Limit B. Find Plastic Limit C. Plasticity Index D. Liquidity IndexThe surface tension of water in contact with air at 20°C is 0.0725N/m. the pressure inside a droplet is to be 0.02N/sq.cm greater than the outside pressure. Calculate the diameter of the droplet.A cylindrical tank with 10 inches inside diameter contains oxygen gas at 2,500 psi. Calculate the required wall thickness in millimeter under stress of 28,000 psi. A. 10.54 mm C. 11.34 mm B. 10.24 mm D. 12.44 mm
- Show complete solution. Please include the diagram if necessary, given, find, and 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.A liquid having a Reynolds number of 1900 flows thru a 200mm diameter pipe 150m long. The head loss of the pipe due to friction is 22m. Compute the friction factor. Compute the kinematic viscosity of the liquid in sq.m/s. Compute rate of flow in liters/hour.As shown in the figure, what is the static gage pressure in kg/cm2 in the air chamber? SHOW COMPLETE SOLUTION. NEED ASAP. THANK YOU.
- A pressure gauge at elevation 7.8 meters at the side of a tank containing a liquidreads 73 kpa. Another gauge at elevation 4.5 meters reads 125 kpa. Compute thespecific gravity of the liquid. draw the figureThe pressure read on the pressure gauge of the system in the figure is 65 kpa. Considering the data shown, determine the height difference "h" on the differential pressure gauge. Aire = air Agua = water Aceite = oil Mercurio = mercuryA pressure gauge at elevation 8 m at the side of the of a tank containing a liquid reads 80 kPa. Another gauge at elevation 3 m reads 120 kPa. Compute the specific gravity of the liquid.