4. Kinematic Viscosity Units Centipoise* Poise Pound/foot-second cp poise Ib/(ft-s) 12 0.514 7.42
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- Oa 85.41 Ob. 106.2 O c. 78 46 O d. 99.30 O e. 92.36 Two plates are separated by 30 mm space. The lower plate moves at velocity of 2 m/s while the upper plate moves at a velocity of 8 m/s. Oil (S=0.62) which fills the space. The oil viscosity is equal to 0.003 m /s. The variation in velocity of the oil is linear. What is the shear stress in the oil (N/m2)? ered of 2,00 stion upper plate 8 m/s 30 mm OIL 2 m/s lower plate 4:34 PM 3/29/2021 DELL F8 F9 F10 F11 F12 PrtScr Insert Deletevalg, (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?HEATING UNIT THERMOMETER LIQUID BATH Fluid CONTAINER CORK 60 CC- RESERVOIR Figure 4: Schematic for SAYBOLT viscometer. a) Explain the operation procedures and constraints of the different viscometers especially the used one. b) Explain, with examples, the effects of temperature and shear forces on theNewtonian and non-Newtonian fluids. c) Illustrate the results of the viscosity test of the above motor oil then f it the viscosity function of temperature to the following logarithmic quadratic correlation as described below. Find the values for the constants a, b, and c. Takeu at T = 0°C. То + c T 10 In- = a + b Mo T d) What is the viscosity of the used above equation motor oil at 280 K, 305 K and 3 20 K? You can use the
- PLEASE ANSWER THEM ALL FOR AN UPVOTE. THANK YOU. Given: Pi constant to be used: 3.14159 Capillary tube: radius = 0.02 cm; length = 9 cm; pressure = 0.7 mmHg Liquid sample: density = 4 ml; time of flow = 4.5 seconds Ans. the ff questions. •What is the pressure in MKS unit? •What is the pressure in CGS unit? •What is the viscosity of the liquid? • If the weight was given as 8.5 grams, what will be the density of the liquid? •What is the kinematic viscosity of the liquid? •What is the fluidity of the liquid?Part A The data below shows the laboratory data for a fluid obtained using a viscometer at 20°C and 1 atm. -du/dy (s') 1 (Pa) 25 62.3 50 81.9 100 106.4 c) What is the apparent viscosity at a shear rate of 40 s-1?Question 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 58
- 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/m23. 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 TBN2. A liquid has a specific gravity of 1.9 and kine- matic viscosity of 6 stokes. What is its dynamic viscosity? [Ans. 11.38 poise]
- What is the principle involved in measuring Kinematic and Dynamic viscosity of oil using Saybolt viscosity? How is falling of sphere method differ from Saybolt Universal viscosimeter?f. A study of the physical characteristic of honey was conducted due to the large demand of royal jelly. A capillary tube viscometer was used by a researcher in determining the viscosity of the honey. The viscometer is 250 mm long with an outside diameter of 55mm and effective thickness of 2.5mm and was used horizontally so that the effect of gravity was neglected. At an ambient temperature of 30°C the following data were collected: Q (cc/s) 1.25 1.55 1.80 2.05 ДР (Ра) 10.0 12.5 15 17.5 20.0 2.55 What will be the stress produced per unit length in the tube used in the production of royal jelly if it has a radius of 5mm and a flow of 1 capsule per second. (1 capsule = 0.85 cc of royal jelly).Assignment 3 On Viscosity Calculation - Word TOUT REFERENCES MAILINGS REVIEW VIEW Hyperlink P Bookmark tArt Chart Screenshot Apps for Office Online Video Cross-reference Comment Header Footer Page Number Text Quick WordA Box Parts - ns Apps Media Links Comments Header & Footer (2) Referring to the following figure, the distance between plates is Ay = 0.5 cm, Av: = 10 cm/s, and the fluid is ethanol at 273 K having a viscosity of 1.77cp (0.0177 g/cm s). (a) Calculate the shear stress ty and the velocity (b) gradient of shear rate -/dy using cgs units. (c) Repeat using SI units. A Torce Fdshear berween teoparailel plates