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Unformatted text preview: Fluid mechanics 1 Assignment 1 Fluid mechanics 1 Assignment 1 Fluid mechanics 1 Assignment 1 Fluid mechanics 1 Assignment 1 Question Question Question Question 1 a) An open tank contains brine to a depth of 2 m and a 3-m layer of oil on top of the brine. Density of brine is 1,030 kg/m 3 and the density of oil is 880 kg/m 3 . The gage pressure (kPa) at the bottom of the tank is most nearly 4.7 20.2 25.6 46.1 b) An object weighs 275 N when fully immersed in water and 325 N when fully immersed in oil of specific gravity 0.9. The volume of the object (m 3 ) is most nearly 0.02 0.05 0.20 0.50 c) When a uniform flat plate is placed horizontally at a depth of h as shown in Figure 1, the magnitude of the force exerted by the fluid on the plate is 20 kN. When this plate is tilted about its center of gravity through 30º as shown in Figure 2, the magnitude of the force (kN) exerted by the fluid on the plate is most nearly 20 sin 30˚ 20 cos 30˚ 20 tan 30˚ 20 d) The figure shows two chambers A and B, where two manometers are being...
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This note was uploaded on 10/27/2010 for the course ENGINEERIN CIC taught by Professor Loren during the Three '10 term at Swinburne.
- Three '10
- Fluid Mechanics