Water flows downward in a pipe at 45°, as shown inFig. P2.44. The pressure drop p, – P2 is partly due to gravityand partly due to friction. The mercury manometer reads a6-in height difference. What is the total pressure drop p, - P2in Ibf/in?? What is the pressure drop due to friction onlybetween 1 and 2 in Ibf/in? Does the manometer readingcorrespond only to friction drop? Why?455 ftFlowWater6 inMercuryP2.44

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Answered: Water flows downward in a pipe at 45°,…

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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The Louisiana Superdome has an interior volume of 125 million ft3, covered by a 440,000 ft² roof. On a particular day, the interior air pressure gave a manometer reading of 19 inches mercury (pHg = 13.6 g/cm³). Local atmospheric pressure is 102 kPa. 1. kg Calculate the mass of the air inside, assuming an average temperature of 20 °C. 2. kN Calculate the net force applied to the roof by the interior/exterior air (do not account for the weight of the roof). Assume the roof is flat.
The gauge pressure in a pipe is measured by a manometer containing mercury (density 0f 13,600 kg/m^3). The top of the mercury is open to the atmosphere and the atmospheric pressure is 100 Kpa. If the mercuty column height is 24 cm, the gage pressure in the pipe in kPa is (WITH FREE BODY DIAGRAM)
In the system illustrated below, manometer A reports a vacuum (negative pressure) of 0.30 kgf/cm2 and manometer B reports a pressure of 7.4 psi.Find the value of the difference in level h in cm
An easy experiment to estimate the density of a body is to weigh it in air and water. Consider a body of unknown density and volume. You weighed it in air, finding a value of 100 N. Then, using a special scale imported from the United States, you weighed the object submerged in water, finding a value of 5.6 lbf. Based on these results, find the density and volume of the object. Remember that the scale measures the result of the balance of forces on the body (or the sum of the forces). Show this balance of forces (or force diagram) on the body during your solving. Express the result in units of the International System and the American System of Engineering, and show any unit conversion calculations using the conversion factor. Consider the densities of water and air equal to 1000 kg/m3 and 1.18 kg/m3, respectively.
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Q22
Consider the manometer tube shown in below Figure 1. It is filled with three differentincompressible fluids. The closed end of the tube is connected to a reservoir with aconstant pressure. For this configuration, calculate i) the pressure in the reservoir in kPa, ii) the pressure in the reservoir as gage pressure in kPa, iii) the equivalent height of water, and iv) the equivalent height of mercury.
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A special tyre was inflated at 2 bar gage pressure on Earth, where the atmospheric pressurewas 1013 hPa and the acceleration of gravity 9.81 m/s2.The tyre was then transported without pressure leakage on Mars, where the atmosphericpressure was 6 mbar and the acceleration of gravity 3.7 m/s 2.Questions:(a) Measuring on Earth the tyre pressure with a mercury manometer, what was themanometer reading in mm?(b) Measuring on Mars the tyre pressure with a mercury manometer, what was themanometer reading in mm?

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