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- y 30 kPa el. 30 m alcohol From the figure shown, the alcohol surface is subjected to pressure a Compute the pressure p = 774 m3 of 30 kPa. at the elevations given below: 1. 6 m 2. 12 m el.16 m oll 3.3 m p = 890 el.8 m water el.5 m glycerin k9/m p = 1235 el. 0 mA 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 18:27Situation 1-A 500 cubic-centimeter solid having a specific gravity of 2.05 is submerged in two-liquid interface tank. Part of the solid is in mercury (sg=13.6) and the other part in oil (sg = 0.81). 1.1 What part of the solid is in mercury? A. 8.2% B. 12.5% 1.2 What part of the solid is in oil? A. 87.5% B. 93.7% C. 9.7% D. 6.3% C. 90.3% D. 91.8% 1.3 If the liquid is all mercury, what part of the solid is in mercury? A. 23.36% C. 18.25% B. 15.07% D. 12.08%
- B- A thickener is designed to separate suspension containing 15 Kg of water/Kg of solid is to be thickened to a sludge containing 4.5 Kg of water/Kg of solid in a continuous operation. Calculate the minimum area of a thickener required to effect the separation of mass rate of feed of 103 Kg/s of solid? p H₂0 = 1000 kg/m³ ps = 6000 kg/m³ De=0.002 m R' pu 10% 10³ 10² 10 100% 101 10 2 10:3 Region a 10 2 10 1 TELEGRAM MOTION OF PARTICLES IN A FLUID 10° Region b 10 R puz Region c = 0.22 10² Re' R/pu² versus Re' for spherical particles 10³ 10⁰ 105 Region d 10 10Glycerin flows at 35 m through a 150 mm diameter new wrought iron pipe at a velocity of 3 m/s. It has an absolute viscosity of 1,50 Pa-s and a specific gravity of glycerin = 1,26, 4. Determine the head loss due to friction,4.7 A solid cylinder of length L, diameter D and specific gravity 0.6 floats in neutral equilibrium in water with its axis vertical. What is the ratio of L to D? 2/3 (b) (a) 2 4 (c) 5/3 (d) 4/3
- Glycerin flows at 35 m through a 150 mm diameter new wrought iron pipe at a velocity of 3 m/s. It has an absolute viscosity of 1.50 Pa-s and a specific gravity of glycerin = 1.26. 1. Determine the Reynold's number,A 10 cm diameter solid cylinder of height 10 cm weighing 0.40 kg is immersed in a liquid (800 kg/cm^3) contained in a tall metal cylinder having a diameter of 13 cm. Before immersion, the liquid was 8 cm deep. At what level from the bottom will the solid cylinder float? W. = 0.40kg %3D 10cmo tank New L.S. Original L.S. F.4.10 A solid cylinder of length H, diameter D and of relative density S floats in neutral equilibrium in water with its axis vertical. What is the ratio of H to D if S = 0.6? (a) 0.86 (c) 0.52 %3D (b) 0.72 (d) 0.46
- The specific gravity of ethyl alcohol is 0.79. Calculate its specific weight in kN/m^3. a.7.73b.7.76c.7.75d.7.78A block of steel (s.g. = 7.85 ) will "float" at a mercury-water interface as shown in the figure. What is the height that submerged in the mercury (b)? Assume that the dimensions of the base of the block are X and L. Water Steel block 150 mm Mercury (s.g. = 13.6)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 m