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Fluid Mechanics 1: Fluid Statics
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Fluid Mechanics 1: Fluid Statics
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25 Questions

1. Barometer uses the principle of fluid at rest or pressure gradient for its pressure calculation.
2. Can centre of pressure for a vertical plane submerged surface be ever be above centre of Gravity
3. For an inclined plate the pressure intensity at every point differs.
4. The metacentric height is affected by the change in density.
5. The pressure at any given point of a non-moving fluid is called the ____________
6. Find the position of centre of buoyancy for a wooden block of width 3.5 m and depth 1 m, when it floats horizontally in water. The density of wooden block id 850 kg/m3 and its length 7.0 m.
7. The distance moved by liquid will be more in which type of manometer?
8. The diameters of a small piston and a large piston of a hydraulic jack are 45 mm and 100 mm respectively.Force of 0.09 kN applied on smaller in size piston. Find load lifted by piston if smaller in size piston is 40 cm above the large piston. The density of fluid is 850 kg/m3
9. Which among these devices are the best suited for the measurement of high pressure liquids with high accuracy?
10. The right limb of a simple U-tube manometer containing mercury is open to the atmosphere while the lift limb is connected to a pipe in which a fluid of specific gravity 0.85 is flowing. The centre of the pipe is 14 cm below the level of mercury in the right limb.Evaluate the pressure of fluid flowing in the pipe if the difference of mercury level in the two limbs is 22 cm.
11. In a vertically submerged plane surface, pressure at evbery point remains same
12. What type of liquids are measured using a manometer?
13. How do we measure the flow rate of liquid?
14. What is the principal cause of action of buoyant force on a body submerged partially or fully in fluid?
15. In case of spherical bodies with uniform mass distribution, what is the position of center of pressure relative to centre of gravity.
16. 15 bar equals to __________ Pascals.
17. Proper explanation for metacentre is:
18. If fluid is at rest in a container of a narrow mouth at a certain column height and same fluid is at rest at same column height in a container having broad mouth, will the pressure be different at certain depth from fluid surface.
19. What is the pressure in Pascals at a depth of 1m below the water surface?
20. The principle of floatation of bodies is based on the premise of
21. For a completely immersed body, the metacentric height is always zero.
22. The total pressure or pressure intensity is zero for any point on inclined surface in space.
23. Define Viscosity?
24. For an inclined plane for which position, maximum total pressure acts on it.
25. As a balloon rises in the air its volume increases, at the end it acquires a stable height and cannot rise any further.