Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 2.59PP
Convert a viscosity measurement of
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1. The density of an oil is 850 kg/m3. Find its relative density (or specific gravity) and Kinematic viscosity if the
dynamic viscosity is 5 x 10-3 kg/ms.
2. If the viscosity of water at 70 °C is 0.00402 poise and its specific gravity is 0.978 determine its absolute viscosity
in Pa-s and its kinematic viscosity in m²/s and in stokes
3. Calculate the Reynolds number, Re for water flow in a circular pipe. The diameter of the pipe is 50 mm, the
density of water is 998 kg/m³, the volumetric oil flowrate is 720 L/min, and the dynamic viscosity of water is 1.2
centipoise
Please answer the problems. Show the complete solution.
Detemine the viscosity of a liquid having kinematic viscosity
6 stokes and specific gravity 1.9.
Chapter 2 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 2 - Define shear stress as it applies to a moving...Ch. 2 - Define velocity gradient.Ch. 2 - State the mathematical definition for dynamic...Ch. 2 - Which would have the greater dynamic viscosity, a...Ch. 2 - State the standard units for dynamic viscosity in...Ch. 2 - State the standard units for dynamic viscosity in...Ch. 2 - State the equivalent units for poise in terms of...Ch. 2 - Why are the units of poise and centipoise...Ch. 2 - State the mathematical definition for kinematic...Ch. 2 - State the standard units for kinematic viscosity...
Ch. 2 - State the standard units for kinematic viscosity...Ch. 2 - State the equivalent units for stoke in terms of...Ch. 2 - Why are the units of stoke and centistoke...Ch. 2 - Define a Newtonian fluid.Ch. 2 - Define a non-Newtonian fluid.Ch. 2 - Give five examples of Newtonian fluids.Ch. 2 - Give four examples of the types of fluids that are...Ch. 2 - Appendix D iS gives dynamic viscosity for a...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D iS gives dynamic viscosity for a...Ch. 2 - Appendix D iS gives dynamic viscosity for a...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - Appendix D gives dynamic viscosity for a variety...Ch. 2 - If you want to choose a fluid that exhibits a...Ch. 2 - Which type of viscosity measurement method uses...Ch. 2 - In the rotating-drum viscometer, describe how the...Ch. 2 - In the rotating-drum viscometer, describe how the...Ch. 2 - What measurements must be taken to determine...Ch. 2 - Define the term terminal velocity as it applies to...Ch. 2 - What measurements must be taken to determine...Ch. 2 - Describe the basic features of the Saybolt...Ch. 2 - Are the results of the Saybolt viscometer tests...Ch. 2 - Does the Saybolt viscometer produce data related...Ch. 2 - Which type of viscometer is prescribed by SAE for...Ch. 2 - Describe the difference between an SAE 20 oil and...Ch. 2 - What grades of SAE oil are suitable for...Ch. 2 - What grades of SAE oil are suitable for...Ch. 2 - If you were asked to check the viscosity of an oil...Ch. 2 - If you were asked to check the viscosity of an oil...Ch. 2 - Prob. 2.53PPCh. 2 - The viscosity of a lubricating oil is given as 500...Ch. 2 - Using the data from Table 2.5. report the minimum,...Ch. 2 - Convert a dynamic viscosity measurement of 4500 cP...Ch. 2 - Convert a kinematic viscosity measurement of 5.6...Ch. 2 - The viscosity of an oil is given as 80 SUS at...Ch. 2 - Convert a viscosity measurement of 6.5x103 Pa.s...Ch. 2 - An oil container indicates that it has a viscosity...Ch. 2 - In a falling-ball viscometer, a steel ball 1.6 mm...Ch. 2 - A capillary tube viscometer similar to that shown...Ch. 2 - In a falling-ball viscometer, a steel ball with a...Ch. 2 - A capillary type viscometer similar to that shown...Ch. 2 - A fluid has a kinematic viscosity of 15.0 mm2/s at...Ch. 2 - A fluid has a kinematic viscosity of 55.3 mm2/s at...Ch. 2 - A fluid has a kinematic viscosity of 188 mm2/s at...Ch. 2 - A fluid has a kinematic viscosity of 244 mm2/s at...Ch. 2 - A fluid has a kinematic viscosity of 153mm2/s at...Ch. 2 - A fluid has a kinematic viscosity of 205mm2/s at...Ch. 2 - An oil is tested using a Saybolt viscometer and...Ch. 2 - An oil is tested using a Saybolt viscometer and...Ch. 2 - Prob. 2.73PPCh. 2 - Prob. 2.74PPCh. 2 - An oil is tested using a Saybolt viscometer and...Ch. 2 - Prob. 2.76PPCh. 2 - Convert all of the kinematic viscosity data in...Ch. 2 - Use a spreadsheet to display the values of...
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- If the kinetic viscosity of a fluid is 6 stokes and specific gravity is 1.9, then dynamic viscosity of the fluid in poise isarrow_forwardQ1 : Calculate the viscosity index for a crude oil has achange in viscosity due to changing in temperature .data that given in cases: 1) Y= 90 cSt 2) Y= 40 cSt 3) u=5 poise, absolute density=0.8 g/cm3 discuss the results you have.arrow_forwardCorrect answer needarrow_forward
- .An oil (SG 0.9) has a viscosity of 200 SUS at 120°F. Find the corresponding viscosity in units of cS and cP.arrow_forwardQ2-Calculate the viscosity of the water graphically if you have the following data: du/dx(1/s) T(N) 150 1.33 340 2.6 580 4.4 845 6.5 1200 8.89arrow_forwardWrite the given. Show complete solutions.arrow_forward
- Convert the following pressures to absolute pressure. Report the answer in the given units. You may assume that the atmospheric pressure at the time of the measurement was a standard atmosphere. (a.) 8.56 psig (b.) 18 inches of mercury vacuum (c.) 10 atm water gage pressure (d.) 15.6 inches of water gage pressurearrow_forwardA tank is filled with a certain liquid to height of 1.25 m from its bottom. If the pressure gauge at the tank bottom reads 1.46 psi, what is the density of the liquid in lb/ft³. 83.2 Answer is not among the choices a. 51.3 b. 62.4 c. a. 3.42 b. 6.83 d. A hydraulic jack uses two pistons, 0.35 in diameter and 1.0 in diameter, respectively. In order for the 1 inch pistion to raise a load of 100 lb, how much force must be applied at the small piston in pounds? 8.57 12.2 C. d.arrow_forwardConvert a pressure measurement of 20 PSIA into units of inches water column (gauge) (A) 1321” H2O (B) 510.1” H2O (C) 701.2” H2O (D) 146.7” H2O (E) 960.5” H2Oarrow_forward
- Which of the following is dimensionless? a. Specific weight b. Reynolds number c. Specific volume d. viscosityarrow_forwardFluid A has a dynamic viscosity of 2.7 centipoise and a specific gravity of 1.73 What is the dynamic viscosity of Fluid A in units of pound-mass per foot second?arrow_forwardThe local atmospheric pressure is 757.8 mmHg. Express 1.254 atm absolute in terms of (a) dynes/cm2 absolute and (b) psi gauge.arrow_forward
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