The gage pressure of the air in the tank shown in figure Q1(b) is measured to be 80 kPa and height unit in meter. Determine the differential height, h of the mercury column. Patm
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- H.W.1/: The water in a tank is pressurized by air, and the pressure is measured by a multifluid manometer as shown in Fig. below. Determine the gage pressure of air in the tank if hl = 0.4 m, h2 = 0.6 m, and h3 = 0.8 m. Take the densities of water, oil, and mercury to be 1000 kg/m³, 850 kg/m³, and 13600 kg/m3, respectively? Oil Air Water IT h2 h3 MercuryFig shows a U-tube differential manometer connecting two pressure pipes at A and B. Pipe A contains a liquid of specific gravity 1.6 under the pressure of 113 kN/m². The pipe B contains oil of specific gravity 0.6 under the pressure of 203 kN/m?. Find the difference of pressure measured by mercury as fluid filling U-tube in mm. The value of x and y are 2.2 m and 1.2 m respectively. P S X- Mercury The Mercury level difference (h) in mmQ1 Determine the minimum size of glass tubing that can be used to measure water level, if the capillary rise in the tube is not to exceed 0.3 mm. Take surface tension of water in contact with air as 0.0735 N/m. A U-tube is made up of two capillaries of bores 1.2 m and 2.4 mm respectively. Q2) The tube is held vertical and partially filled liquid of surface tension 0.06 N/m and zero contact angle. If the estimated difference in the level of two menisci is 15 mm, determine the density the liquid. Q10) In measuring the unit energy of a mineral oil (specific gravity = 0.85) by the bubble method, a tube having an internal diameter of 1.5 mm is immersed to depth of 12.5 mm in oil. Air is forced through the tube forming a bubble at the lower end. What magnitude of the unit surface energy will be indicated by a maximum bubble pressure intensity of 150 N/m.
- 10. Amicrometer, having a ratio of reservoir to limb areas as 40, was used to determine the pressure in a pipe containing water. Determine the pres- sure in the pipe for manometer reading shown in Fig. 2.45. [Ans. 688.8 mm] Limb Reservoir: Ein 245 50 mm 80 mmA 'U' tube differential nanometer connect two pressure pipe A and B. pipe A contain carbon tetrachloride having specific gravity 1.594 under a pressure of 117.72N/cm*2 and pipe B contain oil of specific gravity 0.8 under pressure of 117.72 N/cm*2 . the pipe a lies 2.5 m above pipe B. Find the difference of pressure measured by mercury as fluid filling 'U'tube manometer.H.W: A differential "U"-tube manometer containing mercury of density 13000 kg/m³ is used to measure the pressure drop along a horizontal pipe. If the fluid in the pipe is water and the manometer reading is 0.65m, what is the pressure difference between the two tapping points? Fluid density P D datum Manometric fluid density P
- mm and (c) the value of y in millimeters. waler 9.79 kN/m. (@) Determine the pressure pA in kPa, (b) the value of h in Thaid is prevented from moving to the top of the tank. Use unit weight of The pressure -13.4 KPa gage and pe 13.42 kPa gage. Assume the cleaning mall open cylindrical tank containing cleaning fluid (s.g.-0.8) at a height h. KAoindrical tank contains water at a height of 55 mm, as shown. Inside is a Problem 2-52 Ans: (a) 12.88; (b) 10.2; (c) 101 PA Air Water 55 mm Mercury (s.g. 13.6) Problem 2-53 mtal manometer shown is measuring the difference in pressure two RAPES. The indicating liquid is mercury (specific gravity13.6), h is 675 225 mm, and ha is 300 mm. What is the pressure differential umEthe two pipes Ans: 89.32 kPaFig shows a U-tube differential manometer connecting two pressure pipes at A and B. Pipe A contains a liquid of specific gravity 1.8 under the pressure of 118 kN/m?. The pipe B contains oil of specific gravity 0.8 under the pressure of 204 kN/m?. Find the difference of pressure measured by mercury as fluid filling U-tube in mm. The value of x and y are 2.2 m and 1.1 m respectively. Po S, Mercury The Mercury level difference ( h ) in mm(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.
- Fig shows a U-tube differential manometer connecting two pressure pipes at A and B. Pipe A contains a liquid of specific gravity 1.5 under the pressure of 113 kN/m?. The pipe B contains oil of specific gravity 0.5 under the pressure of 202 kN/m?. Find the difference of pressure measured by mercury as fluid filling U-tube in mm. The value of x and y are 2.4 m and 1.1 m respectively. X-- Mercury The Mercury level difference ( h) in mm1. If the gauge pressure of the air in the tank is known to be 20kPa. Determine the pressure in the pipe. Write general solution equation and explain procedure. P=20kPa Pipe Water _h=70cm 15C h₁=10cm Air Water 15C 1₁₂-8cm L₁= 8cm SG=24 Ans=25.78kPaAn inverted differential manometer containing an oil of sp. gr. 0.9 is connected to find the difference of pressures at two points of a pipe containing water. If the manometer reading is 40 cm, find the difference of pressures. [Ans. 392.4 N/m²]