Problem #3 Water at 20°C (p=1000 kg/m³; p=0.001 N s/m²) is flowing through 10 m of commercial steel pipe of internal diameter 3/8-inches at 0.1 L/s. Find the head loss. 44.4
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- Q. The fluid in Figure is kerosene at 20°C. Assuming there are no losses, estimate the volume flow rate from the tank. Kerosene has specific gravity of 0.87. PAbs=140x10³ [Pa] 1,5 [m] D=0,025 [m] Patm=1,01x10³ [Pa] FigureA closed cylindrical tank 3m high and 1m in diameter contains 1.2m of oil (SG = 0.8), 1m of water and air under a pressure of 16 KPa. A 125mm diameter orifice is placed at the vertical side of the tank, 300mm from the bottom. Determine the actual discharge at the orifice if C = 0.94. A) 103.01 L/s No answer among the choices 98.61 L/s (D 92.69 L/s (E 96.83 L/sProblem 1 A compressor delivers 180 scfm of air through a 3/4-in schedule 40 pipe at a receiver pressure of 85 psig. Find the pressure loss for a 170-ft length of pipe Hint: Use the table shown if needed. Inside Diameter d (in) Nominal Pipe Size (in) 0.493 0.622 0.824 1.049 1.380 d5.31 0.0234 0.0804 0.3577 1.2892 5.5304 Nominal Pipe Size (in) 1/2 2 2 3 3-7 Inside Diameter d (in) Tabulated values of d and d5.31 for schedule 40 common pipe 1.610 2.067 2.469 3.068 3.548 5.31 12.538 47.256 121.419 384.771 832.550 Problem 2 A compressor delivers 2000 cfm of air through a pipe at a receiver pressure of 140 psig. What minimum size schedule 40 pipe should be used if the pressure loss is to be limited to 0.10 psi per foot of pipe length? Hint: use the table of Problem 1 if needed.
- 7.58 An 8 cm pipe carries water with a mean velocity of 2 m/s. If this pipe abruptly expands to a 15 cm pipe, what will be the head loss due to the abrupt expansion?3. In figure below pressure gage A reads 1.5 kPa (gage). The fluids are at 20 °C. Determine the elevations z, in the open piezometer tubes B and C. B 2 m Air 1.5 m Gasoline 1 m Glycerin z = 0Nutrients dissolved in water are carried to upper parts of plants by tiny tubes partly because of the capillary effect. Determine how high the water solution will rise in a tree in a 0.0026-mm-diameter tube as a result of the capillary effect. Treat the solution as water at 20°C with a contact angle of 15°. The density of water is 1000 kg/m3 a. 0.0055 m b. 11.07 m c. 5.53 m d. 0.0026 m .
- 5. In the figure given, a piston with an W 8 cm diameter compresses Meriam 10 cm D= 8 cm Piston red oil into an inclined 7 mm diameter tube. When a weight (W) is added to the top of the piston, the oil rises an d =7 mm additional distance of 10 cm up the Meriam red oil, SG = 0.827 15° tube, as shown. Find the added weight (W) in N2. An Aircraft engine cylinder has a piston displacement of 45 cu. in and a clearance volume of 10 cu in. If the intake pressure is 14.7 PSIA what is the absolute pressure when the piston is at TDC? What is the compression ratio?Two flasks are connected by an initially closed stopcock. In flask contains 250cm^3of kryptonite at 500mmHg while the other contains 450cm^3 of helium at 950mmHg. Thestopcock is now opened so that the gases mix. What is the final pressure in the system?Assume constant temperature. a. 798mmHg b. 768mmHg c.789mmHg d/ 879mmHg
- The specific volume of a certain gas is 0.7 m3/kg. Determine its specific weight and mass density.Sucrose is allowed to diffuse along a 8.0-cm length of tubing filled with water. The tube is 6.3 cm2 in cross-sectional area. The diffusion coefficient is equal to 5.0 ✕ 10-10 m2/s, and 8.0 ✕ 10-14 kg is transported along the tube in 12 s. What is the difference in the concentration levels of sucrose at the two ends of the tube? kg/m3Water flows through a reducing 180° bend. The bend is shown in plan. Determine the magnitude of the force exerted on the bend in the x-direction. Assume losses to be negligible. Cross sectional Area 1m?= A, V=3m/s A Pressure at A = 20 kPa (gauge) 1800 X. A = Cross sectional Area=0.5m2
