7 Water flows through a horizontal pipe at the rate of 800 gal per min. What is the difference in pressure between a point where the diameter is 2 in. and a point where the diameter is 1 in.?
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- The water pipe shown in the figure has at its intake a cross sectional area of 0.74 m² and a water flow speed of 0.4 m/s. The outlet of the pipe has a smaller cross-sectional area and a water flow speed of 9.5 m/s. The intake is at a distance D= 180 m above the outlet. D Pw 10 kg/m³: g-9.8 m/s² Question 9: The cross-sectional area of the outlet is A. 17.575 m² B. 0.031 m² C. 0.057m² D. None of the above A B C D Option O O O Question 10: The pressure difference Poutlet-Piniet is A. 1718955 Pa B. 1764000 Pa C. 45045 Pa A B Option O O Intake P Outlet D. None of the above C D Oin PiAin (a) © 2014 Pearson Education, Inc. A out F out Pout A hydraulic lift is being used to elevate a car. The input force is 327 Newtons, the input area is 0.03 square meters, and the output area is 0.23 square meters. What is the output PRESSURE? Answer in kPa.You find an antique car jack like the one shown in the figure at an estate sale. After cleaning it up, you establish that the amount of friction is negligible and that the input and output pistons have a diameter of 0.30 in. and 1.9 in., respectively. Determine the force F needed to support a 1000-lb load at the output piston. 24.9 × Does the oil in the hydraulic system of the jack obey Pascal's Law? How is the pressure provided by the oil at the output piston related to the pressure applied to the oil at the input piston? Can you write an expression for the input and/or output force in terms of the input and/or output pressure and the appropriate area? Notice that the construction of the jack makes the point where the jack handle is attached to the jack base a convenient pivot point about which to determine the torques. lb 1000 lb 3.0 in. 12 in.- input piston output piston
- Water at a pressure of 3.85 x 105 N/m2 at street level flows into an office building at a speed of 0.68 m/s through a pipe with a radius of 2.5 cm. The pipe tapers down to 1.4 cm in diameter by the top floor, 18 m above the street. The flow speed is 2.2 m/s at the top floor. Calculate the pressure in the pipe on the top floor.The pressure in a water tower is 20,256 Pascals (N/m²) higher than at an open faucet. The density of water is 1000 Kg/m'. Use (3. Bernoulli's equation to determine the velocity of outflow from the open faucet. If the height difference between the top water level in the tower and the faucet is 5.1 meters, then the velocity of outflow isA pumped fluid distribution system is being designed to deliver Q=200 gal/min of water to a cooling system in a power generation plant. Read the corresponding flow areas in m2 of discharge line Ad from Appendix F _________ A. 3.090 x 10^-3 m^2 B.1.314 x 10^-3 m^2 C.4.768 x 10^-3 m^2 D.2.168 x 10^-3 m^2