By means of a graph, show the relationship between temperature and density of a substance.
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4. By means of a graph, show the relationship between temperature and density of a substance.
5. Why is it necessary to correct for temperature variation in specific gravity of solids and of gases?
6. Aside from those liquids used in the experiment, name at least 10 liquids that are of particular importance in the field of
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- 5) A cylindrical bucket 150 mm in diameter and 200 mm high contains 150 mm of water. A boy swings the bucket on a vertical plane so that the bottom of the bucket describes a circle of radius 1 m. how fast should it be rotated so that no water will be spilled? Answer: 31.13rpm Subject: Fluid Mechanic Lesson: Relative Equilibrium of Liquids Fundamentals of Fluid FlowThe sketch shows an oil manometer that is connected between two pipes which transport water. The density of water can be taken as 998kg/m3, the specific gravity of glycerol is 0.76 and atmospheric pressure is 100 kPa. The respective dimensions (as shown on the sketch) are given below: h1 = 0.17 m h2 = 350 mm h3 =15cm. If the pressure gauge gives a reading of 19 kPa, what is the absolute pressure in pipe B?An engineer living at an elevation of 2500 ft is conducting experiments to verify predictions of glider performance. To process data, density of ambient air is needed. The engineer measures temperature (74.3°F) and atmospheric pressure (27.3 inches of mercury). Calculate density in units of kg /m3 .Compare the calculated value with data from Table A.3 and make a recommendation about the effects of elevation on density; that is, are the effects of elevation significant? show solution.
- 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 ofIf a certain gasoline weighs 7kN/m^3 , what are the values of its density, specific volume, and specific gravity relative to water?The weight of an airplane varies with the cube of the plane’s length. The lift generated by an airplane’swings varies with the square of the plane’s length. Will a different airplane with the same constants be able to fly if it is 75 feet long?
- The density of a certain type of jet fuel is 775 kg/m3. Determine its specific gravity and specific weight. Show step-by-step, and explain each step. Thank you.1) A solid ball dropped into a fluid will sink when a the average ball density equals to the density of the fluid b the average ball density is larger than the density of the fluid c the average ball density is smaller than the density of the fluid 2) The distance between the center of gravity G and the metacenter M is called metacentric height GM. The larger of GM, the more stable is the floating body. True or FalseThe fuel gage for a gasoline tank in a car reads proportional to its bottom gage.The tank is 35cm deep and theSpecific gravity of gasoline is 0.68.a) What is the gage reading when the tank is filled with gasoline?b)If the tank is accidentally contaminated with 3cm of water,how many cm of air remains on top of the tank when the gage reads "FULL"?
- An easy experiment to estimate the density of a body is to weigh it in air and water. Consider a body of unknown density and volume. You weighed it in air, finding a value of 100 N. Then, using a special scale imported from the United States, you weighed the object submerged in water, finding a value of 5.6 lbf. Based on these results, find the density and volume of the object. Remember that the scale measures the result of the balance of forces on the body (or the sum of the forces). Show this balance of forces (or force diagram) on the body during your solving. Express the result in units of the International System and the American System of Engineering, and show any unit conversion calculations using the conversion factor. Consider the densities of water and air equal to 1000 kg/m3 and 1.18 kg/m3, respectively.In medical work, pressures are often measured in units of mm of H2O because body fluids, including the cerebrospinal fluid, typically have nearly the same density as water. The pressure of the cerebrospinal fluid can be measured by means of a spinal tap. A hollow tube is inserted into the spinal column, and the height to which the fluid rises is observed. If the fluid rises to a height of 160 mm, we write its gauge pressure as 160 mm H2O. (a) Express this pressure in pascals, in atmospheres, and in millimeters of mercury.In medical work, pressures are often measured in units of mm of H2O because body fluids, including the cerebrospinal fluid, typically have nearly the same density as water. The pressure of the cerebrospinal fluid can be measured by means of a spinal tap. A hollow tube is inserted into the spinal column, and the height to which the fluid rises is observed. If the fluid rises to a height of 160 mm, we write its gauge pressure as 160 mm H2O. a) Sometimes it is necessary to determine whether an accident victim has suffered a crushed vertebra that is blocking the flow of cerebrospinal fluid in the spinal column. In other cases, a physician may suspect that a tumor or other growth is locking the spinal column and inhibiting the flow of cerebrospinal fluid. Such conditions can be investigated by means of the Queckensted test. In this procedure the veins in the patient’s neck are compressed, to make the blood pressure rise in the brain. The increase in pressure in the blood vessels is…