ample 3(a) A sphere, 1 m internal diameter and 6 mm wall thickness, is to be pressure-tested forsafety purposes with water as the pressure medium. Assuming that the sphere is initially filledwith water at atmospheric pressure, what extra volume of water is required to be pumped into produce a pressure of 3 MN/m² gauge? For water, K = 2.1 GN/m².The sphere is now placed in service and filled with gas until there is a volume change of72 x 10 m³. Determine the pressure exerted by the gas on the walls of the sphere.To what value can the gas pressure be increased before failure occurs according to themaximum principal stress theory of elastic failure?For the material of the sphere E =tension = 280 MN/m².200 GN/m², v=0.3 and the yield stress o, in simple

Answered: ample 3 (a) A sphere, 1 m internal…

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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In the figure shown below, an open manometer is connected to a pipe to measure the pressure at A. Fluid at A is oil of s.g. oil = 0.85 , the value of (x = 334 mm) and the value of ( y = 400 mm) to obtain the pressure intensity as gauge pressure as well as absolute pressure. Take Patm = 1.01396 bar , and the manometer fluid s.g. Hg=13.6 2-Gage pressure at A (PAgage) is equal to -----------? 1-Absolute pressure at A (PAabs) is equal to -----------?both answer in kN/m^2
(D1) The client is considering the use of a manometer to measure the differential pressurebetween Tank A and Tank B for operational purposes.a) Given:s.g of A = 1.3s.g of B = 1.7s.g of manometric fluid = 1.9h1 = 1.45m, h2 = 0.75m and h = 0.4mExplain how the manometer depicted can be used to find the differential pressure between Tanks A andB. Additionally give two (2) limitations of using a manometer to measure pressure.
Problem 2 (30 points): The manometer shown is closed to the atmosphere. The pressure at point A is 9000 Pa and at point B it is 8000 Pa. Using this information and the values given below, determine the length, L. N a = 8 cm, b = 7 cm, YH20 = 9,790 and Yglycerin = 12,360 M31 %3D %3D H,0 tB H,0 Glycerin 30
A closed vessel contains air at a pressure of 160 kN/m2 gauge and temperature of 30?C. The air is heated at constant volume to 60?C when barometric pressure is 100 kpa. What is the final gauge pressure?
Find surface tension in a soap bubble of 40 mm diameter when the inside pressure is 2.202 N/m2 above atmosphere. The surface tension of the soap bubble (unit is N/m) = _____________
(1) A simple, vertical U-tube manometer is used to measure the differencebetween two gas pressures.Write down an equation for the pressure difference in terms of the difference inthe level of the fluid in the manometer. Describe briefly, with the help ofdiagrams, two modifications to the basic design which offer greater sensitivity tosmall pressure differences. Give equations for their use. ii) An extractor fan draws air from a room and delivers it to the surroundingsthrough a 5m long circular duct of diameter 0.1m. The friction coefficientfor the duct flow is 0.002. The fan characteristic, relating its total pressurerise, ∆P (Nm-2) to the volume flow rate is: ∆P = 103−7x104Q 2. What is therate of flow through the duct?You may assume that the room and surroundings are both at atmosphericpressure; state and justify any other assumptions you make.
If four different closed-end manometers were created for the same sample with the same diameter for the U-shaped tube and only the liquids used differed, rank the lengths of U-shaped tubes needed for each of the liquids. How can I determine the longest- shortest ones. Any ways?
(5) Pressure Cooker (6) Carburetor (7) Radiator of an automobile. 2. Convert the following reading of pressure to kPa, assuming that the barometer reads 760mm Hg. (1) 90cm Hg gauge (2) 40cm Hg vacuum (3) 1.2m H20 gauge 3. Five masses in a region where the acceleration due to gravity is 30, 5 ft/s are as follows: m, is-
If the PO2 is 100 mm Hg at one barometric pressure (760 mm Hg), what is the approximate PO2 if the pressure is increased to 1,520 mm Hg in a hyperbaric chamber?
. A 2 m tall barrel is closed on top except for a thin pipe extending 8 m up from the top. When the barrel is filled with water up to the base of the pipe (2 m deep), the water pressure on the bottom of the barrel is 20 KPa. What is the pressure on the bottom when water is added to fill the pipe to its top?
9:13 docs.google.com e الاسم الثلاثي * وسن عادل علوان Q1: the pressure at point A is 172 pa. All fluids are at 20°C. The air pressure in the closed chamber B is.[w(water)=9790 * [N/m?,w(SAE oil 30)=8720 N/m? Air B SAE 30 oil Liquid, SG = 1.45 5 cm 3 'cm 4 cm 6 cm Water S cm 3 cm 230 Pa 159 Pa 115 Pa 212 Pa 75
Problem 2: A U-tube manometer is connected to pressurized tanks (Tanks A and B), as shown in Fig. 2. The pressure in Tank A is 500 kPa. The densities of water and mercury are 1000 and 13600 kg/m³, respectevely. Neglect the density of air and determine the pressure in Tank B. PB = Pa + Pm ghm + 2-P+ 1600000 + 13:0019.81)1,5) Pg=500000 + 13,600 (9.81.2.0m) 1000 (9.5Px1.0m) 500000 Pa + 13, 6000 (1791), (2.0) + 1000 Yw g h w PB = 776x6 kPa 690 kPa P. 500,000 113.600 (36819:42 000 + 1(1000) Xh+m + H) - Ym 13,600((500-X) Air- 13,000 2 Im B ܢܢܢܢܢ Mercury 4 ܠܠܠܠ Water water) = 0 6801499 Fig. 2 U-tube manometer +4 13,600 2+1 -1.0=0 Air 1.5 m

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