Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 3, Problem 3.13PP
State whether statements 3.6-3.10 are (or can be) true or false. For those that are false, explain why,3.13 Expressed as a gage pressure, what is the pressure at the surface of a glass of milk?
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[Hint: Pressure in the pipe B is more than that in pipe A.]
An inverted differential manometer containing an oil of sp. gr. 0.8 is connected to find
the difference
Water-
-Oil of
sp. gr. 0.8
3.5 m B
T A
300
B
Fig. 2.31.
Fig. 2.32.
of pressure at two points of a pipe containing water as shown in Fig. 2.32. Find the
difference of pressures, if the manometer reading be 300 mm.
3.9 A Bourdon gauge reads vacuum pressure of
32.45 cm-mercury whilst the barometer reads
99.947 kPa. Calculate the absolute pressure
registered by the Bourdon gauge.
8. Fig. 2.44 shows a differential manometer con-
nected at two points A and B. If at A air pressure
is 78.5 kN/m², find the absolute pressure at B.
[Ans. 69.1 kN/m²]
500 mm
Air
Water
120 mm
100 mm
Fig. 2.44
Oil
(S=0.8)
B.
Mercury
(S = 13.6)
Chapter 3 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 3 - Write the expression for computing the pressure in...Ch. 3 - Define absolute pressureCh. 3 - Define gage pressureCh. 3 - Define atmospheric pressureCh. 3 - Write the expression relating gage pressure,...Ch. 3 - State whether statements 3.6-3.10 are (or can be)...Ch. 3 - State whether statements 3.6-3.10 are (or can be)...Ch. 3 - State whether statements 3.6-3.10 are (or can be)...Ch. 3 - State whether statements 3.6-3.10 are (or can be)...Ch. 3 - State whether statements 3.6-3.10 are (or can be)...
Ch. 3 - State whether statements 3.6-3.10 are (or can be)...Ch. 3 - State whether statements 3.6-3.10 are (or can be)...Ch. 3 - State whether statements 3.6-3.10 are (or can be)...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - Problems 3.14-3.33 require that you convert the...Ch. 3 - If milk has a specific gravity of 1.08, what is...Ch. 3 - The pressure in an unknown fluid at a depth of 4.0...Ch. 3 - The pressure at the bottom of a tank of propyl...Ch. 3 - When you dive to a depth of 12.50 ft in seawater,...Ch. 3 - A water storage tank is on the roof of a factory...Ch. 3 - An open tank contains ethylene glycol at 25C....Ch. 3 - For the tank of ethylene glycol described in...Ch. 3 - Figure 3.19 shows a diagram of the hydraulic...Ch. 3 - Figure 3.20 shows a clothes washing machine The...Ch. 3 - An airplane is flying at 10.6km altitude. In its...Ch. 3 - For the tank shown in Fig. 3.21, determine the...Ch. 3 - For the tank shown in Fig. 3.21, determine the...Ch. 3 - For the tank shown in Fig. 3.21. determine the...Ch. 3 - For the tank shown in Fig. 3.21 determine the...Ch. 3 - For the tank in Fig. 3.22, compute the depth of...Ch. 3 - For the tank in Fig. 3.22, compute the depth of...Ch. 3 - Figure 3.22 represents an oil storage drum that is...Ch. 3 - A storage tank for sulfuric acid is 1.5m in...Ch. 3 - A storage drum for crude oil ( sg=0.89 ) is 32 ft...Ch. 3 - The greatest known depth in the ocean is...Ch. 3 - Figure 3.23 shows a closed tank that contains...Ch. 3 - Figure 3.24 shows a closed container holding water...Ch. 3 - Determine the pressure at the bottom of the tank...Ch. 3 - Describe a simple J-tube manometerCh. 3 - Describe a differential U-tube manometer.Ch. 3 - Describe a well-type manometer.Ch. 3 - Describe an inclined well-type manometer.Ch. 3 - Describe a compound manometer.Ch. 3 - Water is in the pipe shown in Fig. 3.26Calculate...Ch. 3 - For the differential manometer shown in Fig. 3.27,...Ch. 3 - For the manometer shown in Fig. 3.28, calculate...Ch. 3 - For the manometer shown in Fig. 3.29, calculate...Ch. 3 - For the manometer shown in Fig. 3.30, calculate...Ch. 3 - For the compound manometer shown in Fig.3.31,...Ch. 3 - For the compound differential manometer in...Ch. 3 - Figure 3.33 shows a manometer being used to...Ch. 3 - For the well-type manometer in Fig. 3.34,...Ch. 3 - Figure 3.35 shows an inclined well-type manometer...Ch. 3 - a. Determine the gage pressure at point A in Fig....Ch. 3 - What is the function of a barometer?Ch. 3 - Describe the construction of a barometer.Ch. 3 - Why is mercury a convenient fluid to use in a...Ch. 3 - If water were to be used instead of mercury in a...Ch. 3 - What is the barometric pressure reading in inches...Ch. 3 - What is the barometric pressure reading in...Ch. 3 - Why must a barometric pressure reading be...Ch. 3 - By how much would the barometric pressure reading...Ch. 3 - Denver, Colorado, is called the "Mile-High City"...Ch. 3 - The barometric pressure is reported to be 28.6 in...Ch. 3 - A barometer indicates the atmospheric pressure to...Ch. 3 - What would be the reading of a barometer in inches...Ch. 3 - Prob. 3.85PPCh. 3 - The pressure in a heating duct is measured to be...Ch. 3 - The pressure in a ventilation duct at the inlet to...Ch. 3 - The pressure in an air conditioning duct is...Ch. 3 - The pressure in a compressed natural gas line is...Ch. 3 - The pressure in a vacuum chamber is 68.2 kPa....Ch. 3 - The pressure in a vacuum chamber is 12.6 psig....Ch. 3 - Prob. 3.92PPCh. 3 - Prob. 3.93PPCh. 3 - A passive solar water heater is to be installed on...Ch. 3 - The elevated tank similar to the one shown in Fig....Ch. 3 - Prob. 3.96PPCh. 3 - A concrete form used to pour a basement wall is to...Ch. 3 - An environmental instrumentation package is to be...Ch. 3 - Prob. 3.99PPCh. 3 - Prob. 3.100PPCh. 3 - A meteorologist reports a "high pressure system"...Ch. 3 - What is the pressure, in psig, at the bottom of a...Ch. 3 - If air has a constant specific weight of...
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- 4. For the inclined manometer shown, determine the pressure difference between points "A" and "B", in kPa, for the fluids heights shown. * oil (sg = 0.80) glycerin (sg = 1.3) 90 mm B 80 mm 60 mm 30 mercury (sg = 13.6)arrow_forwarda u-tube manometer filled with water ,density 62.4 lbm/ft3, shows a height difference of 10in. what is the gauge pressure? include diagram. a. 52.0 psf b. 2.488 kPa c. 3.537 atm d. 2.488 psiarrow_forward3. A mercury barometer at the base of Mt. Makiling reads 654 mm and at the same time another barometer at the top of the mounta in reads 480 mm Assuming specific weight of air to be constant at 12 N/m', what is the approximate height of Mt. Makiling?arrow_forward
- Fig 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 116 kN/m. The pipe B contains oil of specific gravity 0.5 under the pressure of 212 kN/m2. Find the difference of pressure measured by mercury as fluid filling U-tube in mm. The value of x and y are 2.3 m and 1.2 m respectively. PS, Mercury The Mercury level difference (h) in mmarrow_forwarda drum has gasoline s.g=0.9, with oil s.g=0.8 and sea water s.g=1.03. the depth of the liquid is 0.8m, 0.5m, and 1.0 for gasoline, oil and sea water.1. find absolute pressure at depth 1.2m 2.find the depth at 1.8m 3. find the force F at depth 2.1m when diameter of drum is 0.5marrow_forward4. As shown in Fig. 2.41, pipe A contains carbon tetrachloride of specific gravity 1.594 under a pressure of 103 kN/m² and pipe B contains oil of specific gravity 0.8. If the pressure in the pipe B is 171.6 kN/m² and the manometric fluid is mercury, find the difference h between the levels of mercury. [Ans. 142 mm] Carbon tetrachloride (S = 1.594) X- 2.5 m Fig. 2.41 X Oil (S = 0.8) B- Mercury (S = 13.6)arrow_forward
- 3. A differential manometer is connected to two pipes as shown in Fig. 2.31. The pipe A is containing water and the pipe B is containing an oil of specific gravity 0.8. Find the difference of mercury levels, the pressure difference in the two pipes be 80 kPa. [Ans. 426 mm] Water- 3.5 m B To Fig. 2.31. Fluid Pressure and its Measurement 37 300 Fig. 2.32. -Oil of sp. gr. 0.8 Copyrighted materia Barrow_forward10. 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- 50 mm 80 mmarrow_forward4. As shown in Fig. 2.41, pipe A contains carbon tetrachloride of specific gravity 1.594 under a pressure of 103 kN/m² and pipe B contains oil of specific gravity 0.8. If the pressure in the pipe B is 171.6 kN/m² and the manometric fluid is mercury, find the difference h between the levels of mercury. [Ans. 142 mm]arrow_forward
- a u-tube manometer filled with water,density 62.2 lbm/ft3, shows a height difference of 10in. the right branch is tilted to make an angle of 30 degrees with the horizontal, what should the length of the column of water in the tilted tube to have the same pressure with the u-tube manometer? which is the answer? a. 8.66 in b. 25.4 cm c. 23.329 cm d. 22.0 inarrow_forwardA U-tube manometer filled with water, density 62.4 lbm/ft3, shows a height difference of 10 in. The right branch is tilted to make an angle of 30 degrees with the horizontal, what should the length of the column of water in the tilted tube to have the same pressure with the U-tube manometer? a. 8.66 in b. 25.4 cm c. 23.329 cm d. 22.0 inarrow_forward10. 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 mmarrow_forward
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