A pressure gage at elevation 6m at the side of the tank with liquid reads 90 kPa. Another gage at elevation of 4m reads of 110 kPa. Compute the specific weight of the liquid. A. 8 kN/m^3 B. 6 kN/m^3 C. 12 kN/m^3 D. 10 kN/m^3
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- Answer items a and bA container is filled to a depth of 19.0 cm with water. On top of the water floats a 26.0-cm-thick layer of oil with specific gravity 0.600. What is the absolute pressure at the bottom of the container? Pa1. A capillary tube of inside diameter d=6mm connects tank A and open container B as shown in Fig.2. The liquid in A,B and capillary CD is water having a specific weight y=9780 N/m³ and a viscosity of μ=0.0008N s/m². The pressure PA-34.5 kPa gage. Neglecting the minor losses at C and D, determine the flow rate Q through the capillary tube. Assume laminar flow from A to B and use h=32μLV/yd² for the friction loss, where V is the water velocity through the capillary tube. (2) Container B 1.4 m Datum 1-4.3 m 45° D (1) Air Tank A Im 200151816
- A very deep point of the Pacific Ocean is at a depth of 10,100 m below the surface. What is the gauge pressure in the water at that point? The density of seawater is 1025 kg/m3. Ignore the slight variations of g and ρ with depth. Assume g = 9.80m/s2. Assume 3 significant digits. A. 8.88 ×107 Pa B. 2.22 ×108 Pa C. 1.11 ×108 Pa D. 1.01 x108 Pa E. 3.33 ×108 Pa F. 5.55 ×107 PaA yellow submarine is positioned at depth 225 m. What is the pressure at this point? The density of seawater is p = 1.03 g/cm^3. A. 23.4 atm B. 22.4 atm C. 2.24 atm D. 3.24 atmVolume of a fully submerged object is 18 m^3. Object is fully submerged in water. What volume of the water the object displaces? A. 18 m^2 B. 18m^3 C. 176 .4 m^3 D. 18 kg
- 3. A cylindrical steel pressure vessel 400 mm in diameter with a wall thickness of 20 mm, is subjected to an internal pressure of 4.5 MN/m?. a. Set up the equations of stress that is required to solve the problem. b. Calculate the stresses in the steel vessel. IThe fluid speed in a pipe increases from 15 cm/s to 45 cm/s. What is the pressure difference? Negative means the pressure drops. A. -20 Pa B. -50 Pa C. -70 Pa D. -90 PaCalculate the absolute pressure at an ocean depth of 1.0 km. Assume that the density of Water, Pwater is 1.025 x 103 kg/m³ and the atmospheric pressure, Patmosphere= 1.01 x 10 Pa. (Use: Acceleration due to gravity, g= 9.8 m/s²) elect one: a. 1.01 x 107 Pa b. 1.02 x 106 Pa c. 1.11 x10$ Pa
- A container is filled to a depth of 18.0 cm with water. On top of the water floats a 29.0-cm-thick layer of oil with specific gravity 0.600. What is the absolute pressure at the bottom of the container? ?PaAir P = 76 kPa SG₁ = 13.55 40 cm 22 cm Consider a dual-fluid manometer attached to an air pipe as shown in the image. If the SG of one fluids is 13.55, determine the SG of the other fluid for the indicated absolute pressure of air. Take the atmospheric pressure to be about 100 kPa. SG₂A force of 120.0 N is applied to 2.000 cm diameter piston, which is in contact with a closed container of water (density of water = 1,000 kg/m3). A second piston, with a diameter of 25.00 cm and at the same height as the first piston, is also in contact with the water. What force does the water pressure exert on the second piston? Multiple Choice 10,450 N. 8,450 N. 18,750 N. 9,150 N. 9,500 N.