1) A certain liquid weighs 6.76KN/m3. Determine the values of its density, specific volume and specific gravity relative to water at 20°C.
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- 1. A volume of 15.5 cu.ft of a liquid weighs 782 lb. Compute the mass density of the liquid.Three liquids are confined in a container with an air pressure of 2.33-psi and the pressure gage reading of 11.73-psi at the bottom as shown. The liquids have specific gravity of 2.77, 1.01 and 1.67. The top and bottom liquids stand to a height of h₁ = 2.66-ft and h₂ = 5.44-ft, respectively. Air Pressure a. What is the height of the middle liquid, in ft? b. What is the pressure, in psi, at the mid-height of the middle liquid? C. What is the equivalent height of glycerol, in ft, that can be substituted to the three liquids that will give the same pressure at the bottom of the container, assuming the air pressure is held constant? The density of glycerol is 1.23-g/cc.The pressure 23 meters below a certain liquid is equivalent to 338.445. Determine the following: Unit weight, mass density and specific gravity of the liquid.
- A gas expands from 0.03 m3 to 0.05 m3 at constant pressure of 3.5 atm. Determine the work done.Situation 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%A one-third scale model of an airplane is to be tested in water. The airplane has a velocity of 900 kmph in air at-50°C. The water temperature in the test section is 10°C. The properties of air at 1 atm and - 50°C are as given below: p = 1.582 kg/m³ and μ = 1.474 x 10-5 kg/m.s. The properties of water at 1 atm and 10°C are as given below: p = 999.7 kg/m³ and μ = 1.307 x 10-3 kg/m.s. In order to achieve similarity between the model and the prototype, the water velocity on the model should be A 97 km/hr B 186 km/hr C 263 km/hr D 379 km/hr
- one IMG_1085 The plastic block shown below measures I.5 m x/.s m x(.7 m and has a specific gravity of 0.38. The concrete block B (density = 2400 kg/m*) is suspended from the corner of the plastic block by means of a cable and the plastic block is thus floating in the lake (T = 15°C) in the orientation shown. Determine the volume of the concrete block (units of liters) noting that it does not rest on the bottom of the lake. Neglect the weight and volume of the cable in your analysis. %3D 1.7 m 0.5 m Water Cable2. The cylinder shown in figure 2 is made from a uniform material. What is its specific weight? Kerosene at 25°C(SG =0.823) 750 mmi 600 mm 400 mm Figure 2 3. If the cylinder if problem 2 is placed in fresh water at 95°C, how much of its height would be above the surface?the reading of an automobile fuel gage is proportional to the gage pressure at the bottom of the tank. if the tank is 30 cm. deep, and is contaminated with 3.42 cm. of water at the bottom, how many meters of air remains at the top when the gage indicates "FULL"? use weight of: gasoline = 6.62 kN/m^3; air = 14.67 N/m^3. the tank is closed.
- 1. a) Find the mass of a tank of ethyl alcohol in units of kg if it weighs 3.6 kN and the specific weight in units of kN/m³ if the volume is 0.3m³. | b) A 3 mm diameter of straw is inserted into a pan of water at 30°C (y water at 30°C = 9.764 kN/m³, o = 0.0712 N/m). If the water in the straw rises to a height of 3.6 mm above the water surface in the pan, calculate the contact angle, 0. c) Determine the viscosity of the fluid between the shaft and brushing shown in Figure Qld if the shaft moves at 1.5m/s under a force of 70 N. The uniform radial gap between the brushing and shaft is 0.15 mm. 90 mm / diameter F-70 N 1.5 m/s 155 mm Figure Qld2. 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 m2. A cube of material is 4 in. on a side and floats at the interface between kerosene and water, as shown. a. Find the specific gravity of the material. b. How much weight is required to fully submerge the cube under water? Kerosene b/3 Water 2b/3 SAPIL