Concept explainers
The composition of a liquid with suspended solid particles is generally characterized by the fraction of solid particles either by weight or mass,
Want to see the full answer?
Check out a sample textbook solutionChapter 2 Solutions
Fluid Mechanics: Fundamentals and Applications
- 4. Measured data for pressure versus volume during the expansion of gases within the cylinder of an internal combustion engine are given in the table below. Using data from the table, complete the following: a) Determine a value of n such that the data are fit by an equation of the form pV = const [1.2] b) Evaluate analytically (using an integral) the work done by the gases based on your result from part (a) [0.64 kJ] c) Using graphical or numerical integration on the data (i.e. midpoint trapezoidal rule), evaluate the work done by the gases [0.65 kJ] d) Compare the different methods for estimating the work used in parts (b) and (c). Why are they estimates? p [bar] V [cm³] 15 300 12 361 9 459 NO 6 644 4 903 2 1608arrow_forwardT F The specific weight of a fluid is the product of the fluid's density and the acceleration due to gravity. Stronger surface tension leads to higher capillary rise. Absolute pressures are frequently negative. If the pressure of fluid drops below the vapor pressure of that fluid at that temperature, the fluid will cavitate. F F T F F Density can be measured in lb;/ft° in the English system of units. For a hydrostatic incompressible fluid, pressure is independent of depth. A fluid with a high bulk modulus of elasticity is more difficult to compress than one with a low bulk modulus of elasticity. Viscosity is caused, in part, by the surface tension within a fluid. A fluid can resist an applied shear stress by deforming. Pressure increases faster with depth in less dense fluids than in more dense fluids. T F F F F Farrow_forwardA certain gas weighs 16.0 N/m3 at a certain temperature and pressure. What are the values of its density, specific volume, and specific gravity relative to air weighing 12.0 N/m³.arrow_forward
- If a certain gasoline weighs 20 lb/ft³, what are the values of its density, specific volume, and specific gravity relative to water?arrow_forwardNOTE: Complete manual computation. Show the integration method and derivation of units. The specific heat of a certain ideal gas is given as a function of 345.1 4.13 x 104 KJ temperature: Cp = [1.54 - when temperature increases %3D T T2 kg K from 325°K to 1,100°K. Find the change of enthalpy.arrow_forwardA cylindrical storage tank is 10m high and 25m in diameter. It is filled to a depth of 9.93 m with oil, having a coefficient of volumetric expansion of 4.4 x 10-4 / °C. To the nearest degree, how much will the temperature of the oil have to change to completely fill the tank. Consider only the oil; neglect the expansion of the tank itself. [16.0 °C]arrow_forward
- 1. In general, the internal energy U depends on both temperature and volume, U=U(TV). The volume dependence comes from the potential energy due to the interactions among the particles. For free particles, there are no interactions, thus, the internal energy U should be independent of the volume, i.e., = 0. Verify this result for ideal gas pV = RT. au avarrow_forwardOn a weather station, an altimeter was calibrated to 35 in Hg while the documented density at sea level was 1.35 kg/m3. Above the weather station, the altimeter reads 7,500 meters while a thermometer that is independent from the altimeter reads 529 R. At the altitude where the aircraft is flying A. solve for pressure in kPa B. density in kg/m^3 c. density altitude in km d. temperature altitude in kmarrow_forwardSome scientists believe that the collision of one or more large asteroids with the Earth was responsible for the extinction of the dinosaurs. The unit of kiloton is used to describe the energy released during large explosions. It was originally defined as the explosive capability of 1000 tons of trinitrotoluene (TNT) high explosive. Because that expression can be imprecise depending on the explosive's exact chemical composition, the kiloton subsequently has been redefined as the equivalent of 4.186 x 1012 J. In the units of kiloton, calculate the kinetic energy of an asteroid that has the size (box-shaped, 13 x 13 x 25 km) and composition (density, 2.4 g/cm) of an asteroid. Kinetic energy is defined by U. = mv? where m is the object's mass and v is its speed. Objects passing through the inner solar system generally have speeds in the range of 20 km/s. (Express your answer using two significant figures.) Uk = x1011 kilotonsarrow_forward
- Glycerol is a syrupy liquid used in cosmetics and soaps. A 3.25-L sample of pure glycerol has a mass of 4.10x10^3 g. What is the density of glycerol in g/cm^3?arrow_forwardTRUE OR FALSE Specific Volume is a measure of a fluid's resistance to deformation under shear stress. While a unit expresses a specific type of physical quantity, a dimension assigns a property of scale so that the unit can be measured. Temperature at which water has the highest density is usually taken as 4°C(39.2°F). The continuum concept in hydraulics assumes that a fluid often behaves as if itwere comprised of continuous matter that is infinitely divisible into smaller and smaller parts.arrow_forwardA graduated cylinder was filled with gasoline to 100 ml. Its total mass was 188 g including the 120 g cylinder. If 20 g of gasoline evaporated, what would be the reading on the graduated cylinder? 78.1 86.4 a. 62.2 b. 70.6 C. d.arrow_forward
- Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY