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CG Vyapam_CE Fluid Mechanics Quiz-2

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Question 1

The ratio of pressures between two points A and B located respectively at depth 0.5 m and 2 m below a constant level of water in a tank is

Question 2

Alcohol is used in manometer, because _____.

Question 3

Force of buoyancy on a floating body equal to

Question 4

92% of iceberg volume is below surface and only 8% is visible above surface, Find (ρ_iceberg) density of iceberg if density of seawater (ρ_seawater) is 1025 kg/m³?

Question 5

The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as ______.

Question 6

The difference in pressure head, measured by a mercury water differential manometer for a 20 cm difference of mercury level, will be

Question 7

Statement (I): For stability of floating bodies, center of gravity(G) will always be below center of buoyancy(B).

Statement (II): When B is above G then small angular displacement will set up a restoring couple which will bring the body back to its original position.

Question 8

Consider the figure below relating to buoyancy in water.

What will be the downward force upon the top of the body ABCOEF?

Question 9

A body floating in a fluid, if the metacentric height of the body is increased and made double then the time period becomes

Question 10

What is the depth of the center of pressure form the top for the rectangular lamina which is vertically inside the water of height h?

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