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- One British thermal unit will raise the temperature of _____ 1b of water _____F.For the tank shown in the figure, determine the reading of the pressure gage if: (a) H =2 m, h =10 cm.(b) H = 0.8 m, h = 20 cm.(c) H = 6 ft, h = 4 in.(d) H =2 ft, h = 8 in.A simple U tube manometer is used to measure the pressure of oil flowing in a pipeline. Its left limb is open to the atmosphere and the right limb is connected to the pipe. The center of the pipe is 164 mm below the level of mercury in the left limb. If the difference of mercury level in the two limbs is 232 mm, determine the gauge pressure of the oil in the pipe in Pascal. The specific gravity of the oil & mercury is 1.76 and 13.6 respectively. (i) Density of oil in kg/m3 (ii) Density of mercury in kg/m3 (iii) Height of the Oil in the right limb (in meters of oil) h1 (iv) The gauge pressure of the oil in the pipe in (in Pascal) Answer for part 4
- Check the pressure difference between A and B of the manometer given in the figure. calculation?( h1 = 20 cm, h2 = 25 cm, h3 = 35 cm, h4 = 40 cm, h5 = 35 cm )( ρ1 = 1000 kg/m3, ρ2 = 13600 kg/m3, ρ3 = 950 kg/m3, ρhava = 1.2 kg/m3 )What is the depth of the liquid from the free surface if the pressure at a point from the surface is 2 bar. a. 3.38 m b. 4.38 m c. 2.38 m d. 20.38 mIn the figure, fluid A has a specific gravity of 0.90 and fluid B has a specific gravity of 3.00. Determine the pressure at point m.
- A mercury and a water barometer are put at the same location. The specific weight of mercury is , and the specific weight of water is . If the mercury column height from the free surface is 0.76 m, then what is the water column height ?_______ A. 10.33 m B. 139.96 m C. 0.758 m D. 1.319 mAn open tank contains y1 = 8.7m of water covered with y2 = 5.7m of kerosene (y=8 kn/m^3). Find the pressure at the bottom of the tank in kPa.A simple U tube manometer is used to measure the pressure of oil flowing in a pipeline. Its left limb is open to the atmosphere and the right limb is connected to the pipe. The center of the pipe is 66 mm below the level of mercury in the left limb. If the difference of mercury level in the two limbs is 136 mm, determine the gauge pressure of the oil in the pipe in Pascal. The specific gravity of the oil & mercury is 0.75 and 13.6 respectively. Solution: (i) Density of oil in kg/m3 Answer for part 1 (ii) Density of mercury in kg/m3 Answer for part 2 (iii) Height of the Oil in the right limb (in meters of oil) h1 Answer for part 3 (iv) The gauge pressure of the oil in the pipe in (in Pascal)
- the figure below shows a water pipe where a pressure tap is being carried out. At the site, the specific gravity of water Ywater=10,000 N/m^3 and the specific gravity of mercury is UHg=136,000 N/m^3. Find the gauge pressure in pipe A. Where h1=50mm; h2=20mm; h3=30mm; h4=20mm1- In a manometer containing water, the differential pressure (ΔP) is read as equal to 1 in 20 atmospheric pressure. Accordingly, how many meters is the water height in the manometer?2. Convert the following readings of pressure to kPa absolute, assuming that the barometer reads 760 mm Hg: (a) 90 cm Hg gage; (b) 40 cm Hg vacuum; (c) 100 psig; (d) 8 in.Hg vacuum, and (e) 76 in. Hg gage.