The company has opted to purchase a new viscometer for you, as such, you are required by to propose two options for new viscometers. Select two viscometers and explain their operation and constraints. (P3) b. (P4) Given that you achieved the following results with a U-Tube viscometer: Temperature/ C Time / s

The company has opted to purchase a new viscometer for you, as such, you are required by to propose two options for new viscometers. Select two viscometers and explain their operation and constraints. (P3) b. (P4) Given that you achieved the following results with a U-Tube viscometer: Temperature/ C Time / s

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Which of the following dimensionless parameters is the correct arrangement of the given parameters? (select all that O a. Pi = (Dp)/(Rho*V) Dp: Pressure change Rho: Density V: Velocity O b. Pi = (V*L*(Rho))/(nu) V: Velocity L: length Rho: Density nu: Dynamic viscosity O. Pi = Q/((A^1.5)*w) Q: Volumetric discharge rate A: Area w: Angular velocity O d. Pi = (a)(t^2)/(L) L: length a: acceleration t time
1. To determine the dynamic viscosity of a liquid you take repeated measurements of the liquid density and kinematic viscosity. These data are summarized in the following table: Avg. measurement Total Uncertainty P 999 kg/m³ ±0.5% V 1.23 mm²/s ±0.01 mm²/s kg Ns What is the dynamic viscosity? Give dynamic viscosity in units of; which is the same as ms 2. Determine the absolute and relative uncertainties in the dynamic viscosity.
Check the following equation for dimensional homogeneity: mu = (Fcos) at where m is mass, v is velocity, F is force, is an angle, and it is time. Check that each term in the equation has the following dimensions: [MOLT] where you are to choose the coefficients a, b, c. Answers: b= C= i i
Required information Determine the dimension {MLT} of the following quantities: ?u pu əx
تراجع الم محاة aläl Fluid Mechanics I Sheet No. 2 Fluid Statics Air Air Q1) The system in Fig. 1is at 20°C. If the pressure at point A is 1900 ibf/ft, determine the pressures at points B, C,and D in lbf/ft. Consider yw = 62.4 lbf/ft 2ft 3 ft Air 4 t [Ans. Pg=1838 lbf/ft', Pe=2087 lbf/ft',PD=2212 lbf/ft'] 5ft Water D Fig. 1 Q2) In Fig. 2 the 20°C water and gasoline surfaces are open to the atmosphere and at the same elevation. What is the height h of the third liquid in the right leg? [Ans. 1.522 ml Galie Im Luuid, SC-L0 Fig. 2 Q3) The system in Fig. 3 is at 20°C. If atmospheric pressure is 101.33 kPa and the pressure at the bottom of the tank is 242 kPa, what is the specific gravity of fluid X? [Ans. 1.55] Im SAE 30 oil Water 2 m Fluid X 3 m Mercury 0.5 m Fig. 3 Pressure Q4) For the system shown in Fig. 4, Determine the pressure reading in psi and kPa. Given: Soi=0.9, SHg-13.6, h=30.48 cm, h,=15.24 cm, h3=22.86 cm. gage Air Open Oil [Ans. Pair=3.836 psi=26.462 kPa] (1) (2) He Fig. 4…
Atmospheric pressure can be reported in several ways. At sea level the average atmospheric pressure is 15 lbs/sq in, or 101.3 kPa, or 760 mm Hg, or 1 atmosphere. Since all of these are equal, you can easily convert from one to the other. For example, if your tire pressure is 32.0 lbs/square inch, you can determine the kilopascals in the following manner: 32.0 lb/sq in X 101.3 kPa / 15 lbs/sq in = 216 kPa. Now, find the pressure in mm Hg of a container that has a pressure of 9.92 atm. mm Hg
Thermal conductivity k is a measure of the ability of a material to conduct heat. For conduction heat transfer in the x-direction through a surface normal to the x-direction, Fourier’s law of heat conduction is expressed as: Q=-kA.dT/dx where ?̇ is the rate of heat transfer and A is the area normal to the direction of heat transfer. Determine the primary dimensions of thermal conductivity (k). Look up a value of k and verify that its SI units are consistent with your result. Write a set of primary SI units for k.
c) When small aerosol particles move through air or water, the Reynolds number is very small (Re < 1). Such flows are called creeping flow. The aerodynamic drag on an object in creeping flow is a function only of its speed, V some characteristic length scale, L of the object and fluid viscosity, µas indicated in Figure 11. Use dimensional analysis to generate a relationship for Fp as a function of the independent variables. The dimensions of Fp are MLT2. FD L Figure 11
In 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 = 6.74
For a venturi meter given below, the volumetric flow rate is defined in terms of the geometrical parameters, the density of working fluid (p), and density of the manometer liquid (pm) as 4. Q = f(D, D2, A2, g, h, Pmv Pr) %3D Write down the balance equations and show your work to end up with an expression for the volumetric flow rate in terms of the variables defined above.
Check the following equation for dimensional homogeneity: mv = [₁² ( (Fcose) dt where m is mass, v is velocity, F is force, 0 is an angle, and t is time. Check that each term in the equation has the following dimensions: [MªLºTc] where you are to choose the coefficients a, b, c. Answers: a = i b= i C = i
valg, (21535mm 1.15 The pressure difference, Ap, across a partial blockage in an artery (called a stenosis) is approximated by the equation μV Ap - K. 4 + K.(A-1) pv² = K₂ A s.r to zogy nish190 32\V as bonb dignol a 3 basiy noft where V is the blood velocity, u the blood viscosity (FL-2T), p the blood density (ML), D the artery diameter, Ao the area of the unobstructed artery, and A, the area of the stenosis. Determine the dimensions of the constants K, and K. Would this equation be valid in any system of units?