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- 2. If the atmospheric pressure is 101.33 kPa and the absolute pressure at the bottom of the tank as shown in the figure is 215 kPa. a.) What is the specific gravity of olive oil? b. ) What is the absolute pressure at the interface of the olive oil and the mercury c.) What is the pressure at the bottom of the tank Sea Oil (sg-0.89) Water Olive oil Mercury (sg= 13.6) 1.5 m 2.5 m 3.0m 0.5 mTwo spherical vessels of different sizes contain the same gas and are connected by means of a pipe with a valve. Sphere A has a diameter of 5 foot at the given pressure gauge of 50 kgf/cm2. Sphere B contains the same gas at 20 kgf/cm² gauge. The valve is opened and when the properties have been determined, it is found out that the gauge pressure is 36 kgf/cm2. The temperature at the two vessels before and after opening the valve is maintained at 21.1°C. If the barometric pressure is 750 torr and the gas inside the sphere is oxygen, find the following: The volume of sphere A is 113097.33 in3 The pressure of sphere A is 711.43 psia The temperature of sphere A is 529.98 R The pressure at sphere B in psia Temperature at sphere B in F The pressure of the gas when mixed in psia The temperature of the gas when mixed in K The atmospheric pressure in psi The diameter of Sphere B The total mass of the gas after opening the valveH.W.1/ Suppose the pressure in a car tire is specified as 3 bar. Find the absolute pressure in units of kPa? H.W2/3.4/Page(91)/ The local atmospheric pressure is 91 kPa. A gauge on an oxygen tank reads a pressure of 250 kPa gauge. What is the pressure in the tank in kPa abs?
- A closed tank whose bottom is 18 inches in diameter is filled with three liquids: 4 inches of carbon tetrachloride (SG=1.59), 2 inches of water and 12 inches of syrup (SG=1.31). The air chamber in the tank is pressurized at 1296 psf. a. Determine the pressure at the interface of carbon tetrachloride and syrup. b. Determine the difference in pressure between the interface of water and syrup and the interface of carbon tetrachloride and syrup. c. Compute the hydrostatic pressure (in psf) acting at the bottom of the tank. d. Apply the PANEL EQUATIONS to determine the magnitude, direction and location of the total hydrostatic force acting at the bottom of the tank.During a steady flow process, the pressure of the working substance drops from 200 to 20 psia, the speed increases from 200 to 800 ft/s the internal energy decreases 20 BTU/lb and the specific volume increases from 2 to 10 ft³/lb. No heat transferred. Determine the following: a)AKE in ft-lb;/Ibm b)APE in ft-lb/lbm c)AW: (flow work) ft-lb:/lbm d)AH in BTU e) Net work in hp for 15 lb/min of fluid (use mass flow rate for this item only)A closed tank whose bottom is 18 inches in diameter is filled with three liquids: 4 inches of carbon tetracloride (SG=1.59), 2 inches of water and 12 inches of syrup (SG= 1.31). The aire chamber in the tank is pressurized at 1296 psf. A.) Determine the pressure at the interface of carbon tetrachloride and syrup. B.)Determine the difference in pressure between the interface of water and syrup and the interface of carbon tetrachloride and syrup. C.)Compute the hydrostatic pressure (in psf) acting at the bottom of the tank.
- •Determine the unit weight of the liquid when it is at the level shown. (Express the answer in English unit) •Determine the weight of the liquid. (Express the answer in English unit) •Assuming no mixing of liquids occur, if glycerin (SG= 1.26) is poured into the tank: a.) it will sink to the bottom of the tank b.) it will float on the surface of the liquid c.) it will be suspended in the liquid * answer should be in 3 decimal placesThe micromanometer (as shown in the figure) is used to increase the accuracy when measuring small pressure di§erences. Two immiscible liquids (meaning they remain in separate layers when put together in the same container ñ they do not mix) having densities 1 and 2 are used in thismanometer. Flasks A and B contain gasses so that A; B 1; p2. (a) Find an expression for the pressure di§erence, pA pB, in terms of given quantities.(b) If the cross-sectional area of the U-tube is a and the cross-sectional area of the cylindrical containers is A, Önd an expression for h in terms of a, A, and l. You may assume that h = l = 0 when pA = pB.(c) Show that by having a=A very small and 1 2, a small pressure change results in a largecolumn displacement, l, thus making the instrument very sensitive to small pressure differencesPROBLEM 1: A closed tank whose bottom is 18 inches in diameter is filled with three liquids: 12 inches of carbon tetrachloride (SG=1.59), 4 inches of water and 2 inches of syrup (SG=1.31). The air chamber in the tank is pressurized at 9 psi. Illustrate the problem before solving. a.Determine the pressure at the interface of water and syrup b.Determine the difference in pressure between the interface of water and syrup and the interface of carbon tetrachloride and syrup. c.Compute the hydrostatic pressure (in psi) acting at the bottom of the tank. d.Apply the PANEL EQUATIONS to determine the magnitude, direction and location of the total hydrostatic force acting at the bottom of the tank. help please
- A Y-shaped tube is inserted upside down so that the left foot and right foot are immersed in two kinds of liquid. After both feet are immersed in the liquid, then the top of the Y pipe is closed with the finger and pulled upwards, so that the two legs of the Y pipe are filled with a column of different high-density liquids. If the density of the first liquid is 0.80 gram.cm³ and the second density is 0.75 gram.cm³, and the lower liquid column is 8 cm, then determine the height difference between the two liquid columns on U pipe. W 186660000A glass 12 cm tall filled with water is invert the pressure at the closed end? Barometric pressure is 101.325 kPa. What is Ans. 100.15 kPaa Problem 2- 51 In Figure 13, in which fluid will a pressure of 700 kPa first be achieved? Ans: glycerin Proble Po 90 kPa A diffe water ethyl alcohol p= 773.3 kg/m³ mm, 1 betwe 60 m ol p= 899.6 kg/m 10 m water P= 979 kg/m' glycerin p = 1236 kg/m 5 m 5 m 2021/04/16 18:27Figure P2.33 shows a portion of the H,O-NaCl phase diagram. 10 Liquid (brine) Salt Ice + -10 F liquid (brine) liquid (brine) -20 Ice + salt -30 NaCI 10 20 30 H2O 100 90 80 70 FIGURE P2.33 Composition, weight % a. Using the diagram, briefly explain how spreading salt on ice causes the ice to melt. Show numerical examples in your discussion. b. At a salt composition of 10%, what is the temperature at which ice will start melting? c. What is the eutectic temperature of the ice and salt combination? Temperature, °C
