Considering normal barometric pressure, what will be the depth of water in the ocean at that point where an air bubble, upon reaching the water surface has eight times its volume than it had at the bottom. Unit of the Correct Answer: meter, m Decimal Places required in the final answer: 3
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- A closed compartment shown contains water h= 5 m deep at the left side and H =7 m deep on the right side. If the pressure at point A is 72 kPa abs on the closed compartment, what is the absolute pressure in kPa of point B if neglecting weight of air. And Image not to scale. Round your answers in 2 decimal places.Determine the dynamic viscosity (Pa-sec) and kinematic viscosity (m2/s) of water with a specific weight of 9.81 kN/m3, if a Falling Sphere Viscosimeter test is conducted using an aluminum sphere that has a diameter of 10 mm and a specific weight of 28.06 kN/m3. The theoretical terminal velocity of the sphere is 0.650 m/s. Round off your answer to 3 decimal places.A venturi meter 60 cm by 30 cm has its axis downward 30° from the horizontal. The distance measured from along the axis from the inlet to the throat is 1.20 meters. The manometer shows a deflection of 15 cm Hg. Find the difference in pressure head from inlet and throat in meter. Use 13.60 as relative density of mercury.
- A venturi meter of 400 x 150 mm size is fixed in a horizontal pipe carrying water. The pressure gauge at entry read 137.34 kN/m^2 (gauge). The pressure at the throat was 37.5 cm of mercury (vacuum). Neglecting losses determine the flow rate. Specific gravity of mercury is 13.6.A closed tank contains 0.50m mercury, 2m of water, 3m of oil of specific gravity 0.60 and there is air space above the oil. If the gauge pressure at the bottom of the tank is 200 KPa, what is the pressure of air at the top of the tank?A bottle, consisting of a cylinder 1 ft indiameter and 1 ft high, has a neck 2 in. indiameter and 1 ft long. If this bottle, filledwith air under atmospheric pressure, isinverted and submerged in water until theneck is just filled with water, find the depthto which the open end is submerged,neglecting vapor pressure.
- A pressure gage 7.0 m above the bottom of a tank containing a liquid reads 64.94 kPa; another gage at height 4.0 m reads 87.53 kPa. Compute the specific weight and mass density of the fluid.A closed tank contains 0.610 m of mercury (SGmercury = 13.6), 1.524 m of water, 2.438 m of oil of specific gravity 0.750, and an air space above the oil. If the pressure at the bottom of the tank is 276 kPa gage, what should be the reading at the top of the tank? Express your answer in kPa.Liquid A, B, and C in the container shown below have specific gravities of 0.80, 1.00 and 1.60, respectively. With the liquid surfaces at the elevation shown, what is the pressure in Pascal on the bottom of the tank? At what elevation will the liquid stand in each of the piezometer tubes?
- A hydraulic jack contains 2.0 litres of oil as the working fluid. The compressibility of the oil is 1.98 × 10^-10/ Pa. Given that,compressibility of a liquid = 1/ bulk modulusof the liquid Calculate the absolute decrease in the volume of the oil when it is under a constant pressure of 1.50 × 107 N/m^2.Water in pressurized cylindrical tank 40 ft. in diameter discharges into the atmospherethrough a nozzle 4 inches in diameter. Neglecting friction, and assuming unsteady flow;find the time required for the water in the tank to drop from a level of 50 ft. above thenozzle to 2 ft. above it if the tank is under constant gauge pressure of 1 atm. State anyassumptions.40.) A large closed tank is filled with air under a pressure of 5.3 psi gage and at a temperature of 65°F. The air discharges into the atmosphere (14.7 psi) through a small opening in the side of the tank. Neglecting friction losses, compute the velocity of the air leaving the tank assuming (a) constant density of the air and (b) adiabatic flow conditions. ANSWER: 692 ft/sec, 728 ft/sec 41.) For Problem 40, if the pressure were 10.0 psi, what would be the velocity for (a) and for (b)? ANSWER: 855 ft/sec, 934 ft/sec