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 3.97PP
A concrete form used to pour a basement wall is to hold wet concrete mix (
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7.A caisson for closing the entrance to a dry dock is of trapezoidal from 16 m wide at the top and 12 m wide at the
bottom and 8 m deep. Find the center of pressure on the caisson if the water on the outside is 1 m below the top level
of the caisson and the dock is empty.
A. 1.686 m B. 2.318 C. 2.0 m
D. 4.56 m
E.1) Someone is traveling on the North Pacific coast, where the atmospheric pressure is
102.5 kPa. He goes on a diving tour and dives 15 meters below the surface of the sea. Then,
climb a 150 meter high hill. Assuming that the density of sea water is 1040 kg/m³ and the
density of air is 1.2 kg/m³. Determine the pressure at both sites visited.
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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- 2. A 3,000 gallon tanker is carrying industrial alcohol (donaity-48 23 D. /h) finteBurton to the Selene Building. Find the weight (N) of the industrial alcohol if the tanker is67% full. (Round to nearest whole number)arrow_forward3. What is the volume change in cm of a hydraulic oil when subjected to a pressure of magnitude 6 MPa? The original volume of the oil is 1500 cm3 and its bulk modulus of elasticity is 2.1x10 PA. Select one: a. DVol=-7.14 cm3. b. DVol=-8.57 cm3. c. DVol=-4.29 cm3. O d. DVol=-2.49 cm3. e. DVol=-5.71 cm3.arrow_forwardA concrete block is attached to the gate as shown. If the water level is 1.3 m from the bottom of the container, there is no reaction force at A.What would be the reaction force for the level shown?Note 1: Specific gravity of concrete is 2.4.Please show clear workings with explanations to steps taken. I don't just want the answer, I want to understand the process to answering this question. Thanksarrow_forward
- Consider the sealed containers (same fluid and on the same ground level) below with heights given in ? and ? values.Provided that ? = 2?, answer the following items. (refer to a.jpg) What container has the greatest pressure at the point indicated? Which point experiences the least pressure? Suppose the bottom pressure is evaluated, what container experiences the second highest pressure?arrow_forwardP1.) A closed cylindrical tank 1.5 m in diameter and 4 m long is completely filled with gasoline (sp.gr. = 0.82) and accelerated horizontally at 3 m/s². Find the total force acting at the rear wall and at the front wall of the tank. Find also the accelerating force on the fluid mass. Answer: 10.66 kN and F = 17.36 kN Subject: Fluid Mechanic Lesson: Relative Equilibrium of Liquids Fundamentals of Fluid Flowarrow_forwardQUESTION 3 3.1 A gate in a channel is 3,25 m wide and 1,8 m deep. The gate is hinged at the top with two hinges and the lower point is kept closed with a bolt 2,2 m lower than the two hinges. The water surface is at the top of the gate. Calculate each of the following: 3.1.1 The load on the bolt and hinges in Newton 3.1.2 The hydrostatic force in Newton, if the gate is in a water reservoir where its centre is 15 m below the water surface?arrow_forward
- S A caisson for closing the entrance to a dry dock is of trapezoidal form 16 m wide at the top and 12 m wide at the bottom and 8 m deep. Find the total pressure and centre of pressure on the caisson if the vater on the outside is I m below the top level of the caisson and dock is empty. (Ans. 3.164 MN, 4.56 m below water surface]arrow_forwardCalculate the pressure at depth 2 m using P = ρgh. p= (pressure) 19.855 kPa p= (density of the liquid) 1000 kg/m3 g= (gravity) 9.8 m/s2 h (height below the free surface of the liquid) 2marrow_forwardThe answer will be 733.16KN, 1.85 m Show complete solution and draw each step by step.arrow_forward
- Compute the absolute pressure in kPa underneath the surface of the seawater which is 200m below the surface assuming that the density of seawater is 1200kg/m3. Let Patm = 101.325kPa a. 2494.965kPa b. 2475.345kPa c. 2455.725kPa d. 2734.329kPaarrow_forwardQ1) A hinged gate with a parabolic shape is given below. Calculate the force F needed to keep the gate stationary. Assume that atmospheric pressure acts on both sides of the gate. Take the density of water to be 1000 kg/m throughout and the specific gravity of oil is 1.6. A water SG=1.6 4.5 m y 3.5 m oil B. 10 marrow_forward1. The deepest known spot in the oceans is the Challenger Deep in the Mariana Trench, 11000m below the surface. Assume salt water density is 1025 kg/m^3, and determine the pressure at this depth. A. 1.11 x 10^8 Pa B. 1.11 x 10^ 10 Pa C. 1.11 x 10^6 Paarrow_forward
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