After a particularly intense test in Engineering, Toby sits down to enjoy a nice cool very large bucketof lemonade (density =500 kg/m). He decides to impress his peers by snorting the lemonade through a longhose. The hose end is, effectively, at the bottom of the bucket, the height of liquid in the bucket is 0.5 m, thebucket bottom is 1 meter off of the ground, and Toby's nose is 5 meters off of the ground. The hose diameter is6 mm, its length is 20 meters, and the frictional head loss is 0.25 m per meter of hose length. He wants to snortat 0.0002 m3/s. Assume that the flow is turbulent so that you don't have to worry about a, the momentumcorrection factor. What is the pressure (in kPa), below atmospheric, that his lungs must produce in order tosnort at this rate?

Answered: Image /qna-images/answer/71ae70bf-bde6-4e26-8f57-3afb7f650031.jpg

Answered: After a particularly intense test in…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Timah Tasoh dam in Perlis has the dimensions of 20-m high and 770-m wide. It is filled with water of density equals to 1000 kg/m³ and gravitational force equals to 9.81 m/s². The water from the dam is mixed with soap to make a soap solution and bubbles. When the bubbles are released into the air, they form nearly spherical shape. (i) Name the property of fluid that allow this situation to happen with its symbol. (ii) The soap bubble flew into the air and makes a diameter of 5 cm. If the surface tension of the soap solution in air at 1 atm and 20°C is 0.025 N/m, calculate the gauge pressure inside it.
A scuba tank is dropped overboard and sinks to the ocean floor 20 ft below (T = 62 F). The composite metal (SG = 4.5) tank has a mass of 31.7 lbm when empty and has an internal volume of 0.355 ft3. The tank is currently filled with air to about 3000 psig. To retrieve the tank, you plan to dive down, open the valve, and let out air until the tank begins to float upward. Then, I realized that my plan to float the tank by letting out air wouldn't work. My second thought is to swim down, attach an empty plastic bag to the air valve, and release air from the tank into it. Will this work? If so what will be the volume of air in the bag when the tank just lifts off the ocean floor (ft3) and what will be the mass of air in the bag?
1. In the benzene plant, the pressure drop at some point of a pipeline in which benzene is passing through is measured with a U-tube manometer (Rm,1) as 10 cm (1st situation). The manometer fluid is carbon tetrachloride (CC14). Then, in order to avoid CC14 poisoning, it is decided to add a layer of water to both arms of manometer (2nd situation). So, 4 cm of water is added to the left arm and 8 cm of water is added to right arm. In this new situation, what will be the height difference of manometer fluid (CC14) between the arms of the manometer (Rm,2)? Data: pbenzene=876 kg/m³, pwater=997 kg/m², pccCI4=1587 kg/m³ Benzene Flow Benzene Flow "wright=8cm Rm,1 Rm2 =4cm[ 1 st Situation: Before adding water to manometer's arms 2 nd Situation: After adding water to manometer's arms
Two pipes A & B carries an oil of specific gravities 0.9 & 1.2 respectively. The center of the pipe A is 35 cm above the pipe B. The height of oil in right limb is 40 cm. Also, the mercury level difference is found in right limb as 80 cm. Find 1-The difference of pressure between two pipes (PA-PB) (Unit is in kPa) = 2-Equivalent to Water head in mm =
Two ends of an U-tube manometer which contains mercury, is connected between two pipes (A & B) that carries oil of specific gravities 1.5 & 1.4 respectively. The center of the pipe B (right limb) is 10 cm above the pipe A (left limb). The mercury level difference in the Left limb is 4.75 cm, and the height of fluid in the left limb is 5.8cm, find the pressure difference between these two pipes in Pascal. Draw the diagram
Two pipes A & B carries an oil of specific gravities 0.9 & 1.2 respectively. The center of the pipe A is 65 cm above the pipe B. The height of oil in right limb is 35 cm. Also, the mercury level difference is found in right limb as 50 cm. Find the pressure difference between these two pipes in kPa. Also find the pressure equivalent in water head in mm. -The difference of pressure between two pipes (PA-PB) (Unit is in kPa) = -Equivalent to Water head in mm =
A vessel is filled with oil (ρoil = 900 kg/m3) up to 1 m of its height. It is 3m wide, 2m high and 10 m long.Find the following :A. The maximum horizontal acceleration that can be charged to the vessel without spilling anyoil.B. If this vessel is closed and is completely filled with oil and accelerated horizontally at a rate of 3 m /s2 .B.1. The total force acting at the rear wall and at the front wall of the vessel.B.2. The accelerating force on the fluid mass.
Two ends of an U-tube manometer which contains mercury, is connected between two pipes (A & B) that carries oil of specific gravities 1.5 & 1.4 respectively. The center of the pipe B (right limb) is 14 cm above the pipe A (left limb). The mercury level difference in the Left limb is 2 cm, and the height of fluid in the left limb is 5.8cm, find the pressure difference between these two pipes in Pascal. Draw the diagram. The difference of pressure between the pipes A & B in (Pascal) =
Consider two tanks filled with water. The first tank is 8 m high and is stationary, while the second tank is 2 m high and is moving upward with an acceleration of 5 m/s^2. Calculate the pressure of each tank at the bottom.
Figure 1 shows a fairly large U-tube manometer containing water (density p= 1000.0 kg.m³3) and oil (density p=900.0 kg.m³). The left-hand side opening is sealed with a rubber stopper. The height of the oil column is h₂ cm. The height of the water column above the water/oil boundary is h₁ = 20.00 cm. The external pressure is given by Pout = 100.00 kPa. (i) Calculate the absolute pressure at the bottom of the oil column. (ii) Calculate pin, the absolute pressure directly under the rubber stopper. Express your answers to at least 4 significant figures in SI units. Pout Pin h₁ U water oil h₂ Figure 1: Stoppered U-tube manometer containing water & oil
37. For a tank (T = 41 C°, volume = 0.051 m³, the rate change of density = 2.6 kg-m3-s*), through a hole of 0.36 cm?, v = 350 m-s1, calculate the pressure in the tank.
The pressure on the suction side of a pump in a water line is 25 kPa (abs). What temperature should the water be to prevent cavitation at sea level? Is this a maximum or a minimum temperature?

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