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- Q2) Fill in the blanks with appropriate word(s), for EXKEl of the following; K Specific weight is defined as According to the variation of density with pressure, Nuids may be classified into - Nuids and - Nuids. 3. The approximate number of experiments to evaluate the influence of 3 parameters separately is assuming that 5 experiments are needed for each variable. ¿When viscous resistance is important, -. criteria for similarity is used. S. The center of pressure is defined as - A Hydrostatic forces in a static fluid is the result of the exerted on submerged surfaces. Streamline is defined as Continuity equation represents the d 0, conservation ofConsider a pine wood shaft that is 8 ft long and has a diameter of 4 in. 2 What is the volume of the shaft (in ft³)? (Assume the shaft is cylindrical.) x Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. ft3 What is the density of pine wood (see table below)? (Enter your answer in kg/m³.) Density, Specific Gravity, and Specific Weight of Some Materials (at room temperature or at the specified temperature) Material Solids Aluminum Asphalt Cement Clay Fireclay Brick Glass (soda lime) Glass (lead) Glass (Pyrex) Iron (cast) Iron (wrought) Paper Steel (mild) Steel (stainless 304) Wood (ash) Wood (mahogany) Wood (oak) Wood (pine) Density (kg/m³) Specific Gravity Specific Weight (N/m³) 26,880 2,740 2,110 1,920 1,000 1,790 @ 100°C 2,470 4,280 2,230 7,210 7,700 @100°C 930 7,830 7,860 690 550 750 430 2.74 2.11 1.92 1.00 1.79 2.47 4.28 2.23 7.21 7.70 0.93 7.83 7.86 0.69 0.55 0.75 0.43 20,700 18,840 9,810 17,560…b) The following shear stress – shear rate behavior was observed. Shear rate (Seconds-1) Shear Stress (dynes/cm?) 20 11 30 15.2 40 19.1 50 22.9 60 26.5 1. Make a plot of shear stress (ordinate) vs shear rate (abscissa) on log-log paper. 2. Can the fluid behavior be accurately modeled by the Newtonian, Bingham plastic, or Power law model?
- The mass of a flid stem is 0.311 slu, ts density is 30 l/ft' and the force of gravityis at 31.90 fps". Fin (a) the secfic olume in cm'/g,(b) the specfic weight ke/m', and (c) the total volume in in'. Solve the following problems SYSTEMATICALLY, enclose your final answers in a box, and Please write clearly. Thanks.Surface tension is due to uneven molecular attraction between immiscible fluid media and solid surface. Its importance is governed by dimensionless parameter Which of the Inertia force called Weber number given by We = Surface tension force™ following statements are correct? (i) Surface tension becomes important when the length scale L is small such as in ink jet printing, coating of thin film, oxygenation of water by falling rain drops. (ii) 111 Super-hydrophobicity can be achieved by micro/nano texturing of surface such as in lotus leave, butterfly and dragonfly wing. During oil spill in ocean, oil floats and spreads out due to gravity. By conservation of mass, the oil film becomes thinner as it spreads. Finally, the surface tension force becomes important causing the formation of tiny oil droplets. (A) (B) (C) (D) (i) and (ii) (i) and (iii) (ii) and (iii) All of the aboveA laboratory capillary pressure test was conducted on a core sample taken from the Nameless Field. The core has a porosity and permeability of 16% and 80 md, respectively. The capillary pressure-saturation data are given as follows: Sw Per psi 1.0 0.50 0.8 0.60 0.6 0.75 0.4 1.05 0.2 1.75 The interfacial tension is measured at 50 dynes/cm. Further reservoir engineering analysis indicated that the reservoir is better described at a porosity value of 19% and an absolute permeability of 120 md. Generate the capillary pressure data for the reservoir. Sw Pc,old Pc,new 1 0.5 0.15 0.8 0.6 0.17 0.6 0.75 0.22 0.4 1.05 0.31 0.2 1.75 0.51
- In measuring the surface tension of a liquid (drop weight method), 20 drops of the liquid (r = 0.2cm) falling apart from the tip whose diameter is 0.4 cm were found to weight 0.95 gram. What is the surface tension of the liquid?No card B a m OO ON 95)1:45 mlms.hu.edu.jo/mod/qu P Flag question Air is contained in a piston cylinder device, it expands first isothermally (1=>2) then isobaric expansion takes place (2=>3). The processes on the T-v diagram will be: Select one: A. (1-2) Horizontal line, (2- 3) Inclined line with Positive slope. B. (1-2) Horizontal line, (2- 3) Inclined line with Negative slope. O c. (1-2) Inclined line with Positive slope, (2-3) Horizontal line. D. (1-2) Horizontal line, (2- 3) Vertical line downward. E. (1-2) Inclined line with Negative slope, (2-3) Horizontal line. F. (1-2) Horizontal line, (2- 3) Vertical line upward. ...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?
- A core was mounted in a gas permeameter to measure permeability. Determine the liquid permeability (mD) of the core using gas (in oilfield units). The laboratory data are as follows: Diameter of the core = 3.78 cm Length of the core = 7.63 cm Gas viscosity = 0.0148 cP Flow rate = 9.07 cm3/s P1 = 1.439 atm P2 = 1.086 atm1. The deformation of the fluid will continue as long as the 2. When designing gates, vessels, dams or other bodies that are submerged in a liquid, it is important not only to estimate the - 3. The surface tension is the tensile force per -- in any direction along the surface the surface tension. 4. The value of - specifies whether the fluid can be assumed compressible or incompressible. 5. Archimedes' principle indicates- 6. A truck is filled with gasoline. If the container (tank) on the truck undergoes a - - is applied. - but also to specify its location on the body. then the liquid surface will begin to rotate clockwise about the center of the container and will eventually maintain a fixed tilted position.Choose the correct answer Kinematic viscosity is * f. dynamic viscosity* Density b. About 1.2*10^-2 m2/s for water e. Both b and d c. Density*dynamic viscosity d. Both a and c g. Both f and c a. About 1.2*10^-6 m2/s for water