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] Figure3. A gas with a density of 1.25 kg/m³ enters a 125 mm diameter pipe at a velocity of 3.00 m/s. The pipe decreases diameter to 75.0 mm and the density of the gas is increased to 2.00 kg/m³. Find the velocity and the mass flow rate of gas in the 75.0 mm diameter pipeline. 47.58 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 = 0Problem 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.Nutrients 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 .
- Answer should hL = 0.104 mTwo 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/ 879mmHgThe specific volume of a certain gas is 0.7 m3/kg. Determine its specific weight and mass density.