46. A garden hose is used as a siphon to drain a pool, as shown in Figure P2.46.The garden hose has a 3/4-in. inside diameter (ID). Assuming no friction,calculate the flow rate of water through the hose if the hose is 25 ft long. 3/4 in. ID25 ft longFIGURE P2.46.

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Answered: 46. A garden hose is used as a siphon…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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2.3 (c) The population of a city is 800000 and it is to be supplied with water from a reservoir 6.4 km away. Water is to be supplied at the rate of 140 litres per head per day and half the supply is to be delivered in 8 hours. The loss of head due to friction in the pipeline is 60 m. Find the diameter of the pipe. Take f = 0.04.
Water enters a fountain through a pipe with a cross-sectional area A₁ at a flowrate Q. The pressure in the inlet pipe is p₁. The water then leaves through a nozzle with a cross- sectional area A₂ and at an angle 0, as shown in Figure Q5. Both the inlet and the nozzle are at a height h₂, and the jet reaches a maximum height h3. You may assume that viscosity is negligible. a) Find the horizontal force on the block b) What is the horizontal-component (u₂), vertical component (v₂) and magnitude (V₂) of the velocity of the jet as it leaves the nozzle? c) What is the maximum height of the jet? You may assume that the horiztonal component of velocity is the same at every point in the jet. P₁ A₂. Ө h₂ h3 Figure Q5: Jet emitting from a fountain.
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For a pumper truck pumping water to a fire, the back pressure is the additional pressure on the pump caused by the height of the nozzle. (Another way of thinking of back pressure is as the minimum pressure the pumper must produce in order to make water flow out the end of the nozzle.) Consider a pumper at street level pumping water through a hose to firefighters on the top of the ninth floor of a building. If each floor is 16 feet high, what is the head of water at the mouth of the nozzle?
4.4 A tank containing water is placed on a trolley, which is attached to the wall by a cable, as shown in Fig. 4.28. A pipe bend is connected to the tank through which a jet of water is coming out with a velocity of 7.5m/s. If the diameter of the nozzle is 40 mm, calculate the tension in the cable. 7.5 m/s 30% Fig. 4.28 [Ans: 61.215 N]
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1. A pipe with a radius of 0.1 m used to drain an entire full water tank within one hour. The tank is a cylinder with a height (h) of 3 meters and a diameter of 5 meters.How fast will the water need to move through the pipe? Draw an illustration that will help you visualize the problem. Indicate important labels and measurements in your illustration.
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Water of density ρ issues from a spigot of circular cross-section into the atmosphere, as shown in Figure P4.39. At the flange, the velocity is V . The diameter decreases from D at the flange to D at the exit. Ignoring losses, (a) Find the gauge pressure at the flange in terms of ρ and V . (b) Find the magnitude and direction of the force exerted by the water on the spigot in terms of ρ, D and V (ignore the weight of water contained in the spigot).
I know i will have to use bernoulis equation....
1. Water flows steadily through a smooth, circular, horizontal pipe. The discharge rate is 1.5 ft3/s and the pipe diameter is 6 in. Find the difference in the pressure between two points 400 f t apart if the water temperature is 60°F. 2. A 2000-gallon swimming pool is to be filled with a 0.75 in. diameter garden hose. If the supply pressure is 60 psig, find the time required to fill the pool. The hose is 100 f t long, with a friction factor equal to 0.02.
Problem 2. A garden hose with an attached nozzle is used to fill a container with water. The nozzle starts at a diameter of 2 cm and is then reduced to 0.8 cm at the exit. In 50 seconds, the nozzle and hose are able to fill the container with 10 gallons of water. Find the volumetric flow rate (m³/s), the mass flow rate (kg/s), and the average velocity (m/s) at the at the nozzle exit. Assume the density p of water is 1000 kg/m³.

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46. A garden hose is used as a siphon to drain a pool, as shown in Figure P2.46. The garden hose has a 3/4-in. inside diameter (ID). Assuming no friction, calculate the flow rate of water through the hose if the hose is 25 ft long. 3/4 in. ID 25 ft long FIGURE P2.46.