Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 2, Problem 2.51PP
If you were asked to check the viscosity of an oil that is described as SAE 40, at what temperatures would you make the measurements?
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An oil has a viscosity index of 100. If the viscosity is 150 at 210°F, what would be the expected viscosity at 100°F ?
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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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- Considering the results in Table 1, and the documentation in the image too, please calculate the dynamic viscosity for the fluids listed in Table 3.arrow_forwardQuestion 4 Viscosity. From studies of the flow of neutrophils in micropipets, it is possible to measure the apparent viscosity of the cytoplasm. From the data below, do you think the cytoplasm is Newtonian? If not, determine the rheological relationship that best describes the behavior of the cytoplasmic viscosity Shear rate (s1) Apparent Viscosity (Pa s) 450 0.111 1 137 2.70 97 5.75 58 7 58arrow_forwardPlease help with solvingarrow_forward
- Which of the following factor independent of kinematic viscosity? a. Volume b. Speed c. Mass d. Densityarrow_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_forward3. Shell T46 industrial lube oil has a viscosity of about 46.5cSt. What is its viscosity in terms absolute viscosity? Density if the oil is 804kg/m3. TNO L-Warning Oil Condition Viscosity 40 C Viscosity @ 100 t D-445 46.5 45.5 45.0 44.3 <39.87 D-445 CSt 7.0 6.9 6.9 6.8 <6.12 Oxidation E-2412 Abs 3.8 4.1 3.8 3.7 Nitration E-2412 Abs 2.6 2.6 0.04 2.6 0.04 2.6 0.11 TAN ng KONg 0.06 D-974 D-4739 ngKOH TBNarrow_forward
- Question 3 Not yet answered Marked out of 1.00 P Flag question Which of the following is not the unit of viscosity? O a. Stokes O b. Kg/(m.s) c. Poise O d. N.s/m2arrow_forwardIn your new position at the fluid mechanics laboratory, you are required to do a to d branching. a) You perform a set of testing to measure the viscosities for various fluids: Engine oil, aluminum, zinc, water and 1:10 ratio of (corn starch: water). Pick and justify one type of viscometer for each type of fluid then, justify why a specific viscometer will not work for a type of fluid as follow: I would use I would not use Engine oil Aluminum Zinc Water Cornstarch solution Justify your answers in one statement each for each of the boxes in orange (total of 10 sentence b) For water you obtained the following data: Temperature [K] 300 310 318 340 Viscosity [cP] 0.8509 0.6913 0.5958 0.42 What is the viscosity of water at 290 K, 312 K and 350 K? You may use the following equation: ln ?? ???? = ?? + ?? . ???? ?? + ?? . � ???? ?? � 2 Where a = - 1.94, b = - 4.8, c = 6.74arrow_forwardNEED HELP ASAP PLSS...arrow_forward
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