A helium-filled blimp is used at various athletic events. Determine the number of pounds of helium within it if its volume is 68,000 ft³ and the temperature and pressure are 80°F and 14.2 psia (pounds per square inch absolute pressure), respectively.
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- To determine the density of a liquid experimentally in a laboratory, you have 0.078 kg empty graduated cylinder. A liquid was poured in the graduated cylinder. The mass of the graduated cylinder with 250 cm of the liquid is found to be 0.2755 kg. Find the density of the liquid in (kg/m³). O 1.26 O 1000 Hani Ban O 790 O1260 O 0.79 Next pagThe specific weight of a certain liquid is 90.30 lb/ft3. Determine its density and specific gravity.The figure below shows a closed tank that contains gasoline floating on water. Calculate the air pressure above the gasoline. The container is vented to the local atmosphere. What is the absolute pressure at the surface of the mercury and at the bottom of the container (kPa)? Assume the conditions of the standard atmosphere prevail for pressure. Use sg = 13.54 for the mercury
- An open cylindrical vessel 1.2 m in diameter and 2.1 m high is 2/3 full of water. Compute the amount of water that will be spilled out of the vessel if the vessel is rotated about its vertical axis at a constant angular speed of 90 rpm. Select one: O a. 16 liters O b. 13 liters O c. 9.6 liters O d. 10 litersA U-tube is partly filled with mercury and an unknown liquid is poured into it through the other arm. The surface of the separation of the liquids is at the 6.35 cm mark, the 0 marks being at the tube’s bottom. The free surface of mercury is at 8.46 cm while that of the unknown liquid at 28.24 cm. If the density of mercury is 13.6 g/cc, calculate the density of the unknown liquid.A balloon for long distance flying contains 1.203 x 107 L of helium. If the helium pressureis 735.0 mm Hg at 25.0°C, what mass of helium (in grams) does the balloon contain?
- An average table tennis ball has a diameter of 3.811 cm. and a mass of 2.696 grams. Assuming that air buoyancy is included, what will be the density of air (in kg/m3) needed to make the table tennis ball float to a depth of h = 7.021 mm, in a liquid with specific gravity of 1.005? Neglect any temperature change that could alter the density of air. Hint: Assume the ball to be a sphere. Round off to three decimal places. Table Tennis BallA blimp is filled with helium (0.18 kg/m³). If the blimp itself weighs 500 kg and the design maximum loading is 1000 kg, how much helium should be pumped in for the blimp to float in the air (1.22 kg/m³) at its maximum loading? Assume the volume of passenger carrier is 100 m³. O 1442 m³ O 1325 m³ O 8333 m³ O 1229 m³. An object float in a liquid where 2/3 of the object in the liquid. If the density of the object is 0.6 gr cm³, then what is the density of water.
- A tank contains gasoline and glycerine with open piezometer tubes attached as shown. The depths of fluids inside the tank are 2 m for air, 1.5 m for gasoline, 1 m for glycerine. The air pressure measured by the gage is 1.5 kPa. Unit weights are 6670 N/m3 for gasoline and 12360 N/m3 for glycerine. Air Gasoline Glycerine 6.0 Find the height of gasoline in the tube measured from the gasoline-glycerine interface. a.) 1.72 m b.) 1.22 m c.) 0.22 m d.) 2.72 m 7.0 Find the height of glycerine in the tube measured from the air-gasoline interface. a.) 0.93 m b.) 0.43 m c.) 0.57 m d.) 1.93 m e.)The water in a tank is pressurized by air, and the pressure is measured by a multifluid manometer as shown in the Figure Qla with fluid levels of: h1=0.4 m, h2=0.5 m and h3=0.6 m. Take the densities of water, oil and mercury to be 1000 kg/m³, 850 kg/m³ and 13600 kg/m³ respectively. oil h1 Water h3 h2 Mercury Figure Q1a a) What is the gauge pressure at point 1, the surface of the water in the tank? b) In deriving the Darcy-Weisbach equation it was found that there is a direct relationship between the pressure drop experienced due to friction along a pipe with its length. Using dimensional analysis determine an expression for this pressure drop assuming that it is also a function of the pipe diameter in inches, fluid density and velocity. c) Assuming incompressible flow and that complete mixing occurs between the two inflows shown in Figure Q1c before the mixture discharges from the pipe at D. Determine for the fluid at D: i- The mass flow rate The density The velocity i- i- UFMFGS-15-…Q3: A U-tube containing mercury is used to measure the pressure of an oil of specific gravity 0.82 as in figure 2. Determine (1) Calculate the pressure of the oil, if the difference of mercury level be 400mm What was the application of pascal's law and hydrostatic law for this problem? (ii) ¼ 300 mm Water Water -oil Figure 2 200 mm. 400 mm 400 mm -X -Mercury