Q. The below figure shows an inclined U-tube mercury manometer. The vertical end of the tube is exposed to a gas of gauge pressure 50 kPa and the inclined end is exposed to the atmosphere. The inclined part of the tube is at an angle of 30° with the horizontal. Find the value of h (in cm) (take g = 9.8 m/s², ρmercury = 13600 kg/m³)

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Q. In stable equilibrium for completely submerged bodies what is the relation between forces?

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Q. The floating body is said to be in neutral equilibrium if the metacentre is above the centre of gravity.

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Q. The floating body is said to be in unstable equilibrium if the metacentre is below the centre of gravity.

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Q. In unstable equilibrium what is the relation between forces?

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Q. When body is completely or partially immersed in a fluid, how much its weight be distributed for it to be in stable equilibrium.

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Q. If the magnitude of dimension of a rectangular wooden block is length>breadth>height, then for it to float on the water, it should be immersed in what manner?

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Q. A cylinder(uniform density distribution) of radius 3.0 m has a height of 9.0 m. The specific gravity of the material of cylinder 0.85 and it is floating in water with its axis vertical. State whether the equilibrium is stable or unstable.

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Q. A wooden cylinder of sp.gr. = 0.6 and circular in cross-section is required to float in oil(sp.gr. = 0.90). Find the L/D ratio for the cylinder to float with its longitudinal axis vertical in oil, where L is the height of cylinder and D is its diameter.

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Q. A solid cylinder of 15 cm diameter and 40 cm long, consists of two parts made of different materials. The first part at the base is 1.5 cm long and of specific gravity=6.5. The other part of the cylinder is made of the material having specific gravity 0.75. State, if the it can float vertically in water.

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Q. A solid cylinder of diameter 5.0 m has a height of 6.0 m. Find the meta-centric height of the cylinder if the specific gravity of the material of cylinder 0.45 and it is floating in water with its axis vertical.

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Q. The principle of floatation of bodies is based on the premise of

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Q. Meta centre always lies below the centre of gravity

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Q. or a completely immersed body, the metacentric height is always zero.

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Q. The metacentric height is affected by the change in density.

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Q. Proper explanation for metacentre is:

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Q. In case of spherically shaped bodies of uniform mass distribution and completely immersed in fluid and floating, the centre of buoyancy coincides with centre of gravity.

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Q. A solid cylinder of diameter 4.5 has a height of 2.5 metres. Find the meta-centric height of the cylinder when it is floating in water with its axis vertical. The sp. gr. of the cylinder=0.45.

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Q. A block of material of specific gravity 0.45 floats in water. Determine the meta-centric height of the block if its size is 3 m * 2 m* 0.8 m.

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Q. A uniform body of size 4 m long * 2.5 m wide * 1.5 m deep floats in water. What is the weight of the body if depth of immersion is 1 m ?

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