Why is large reservoir used in single column manometer?

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Why is large reservoir used in single column manometer?

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A single coloumn manometer is connected to a pipe containing a liquid of specific gravity 0.75. Find the pressure in the pipe if the area of reservoir is 250 times the area of tube for the manometer reading. The difference in mercury level is 40 cm. On the left limb the fluid is upto the height of 20 cm.

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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In the inverted U-tube Differential manometer, how is the specific gravity of manometric fluid used relative to the fluid flowing in the pipes

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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.

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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A Differential manometer is connected at the points A and Bat the centre of two pipes. The pipe A(left limb) contains a liquid of specific gravity = 1.5 while pipe B (right limb)contains a liquid of specific gravity 0.85. The pressure at A and B are .5 kgf/cm^2 and 1.2 kgf/cm2 respectively. Find the difference in level of mercuru in the differential manometer. A is 2.5m above B and 5 m above the mercury in its own limb. B is 2.5 m above the mercury level in limb A.

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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The distance moved by liquid will be more in which type of manometer?

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Differential manometer gives the pressure reading with respect to atmospheric pressure.

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Which device is popularly used for measuring difference of low pressure?

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Manometers are the pressure measuring devices which use the principle of dynamic pressure to measure the pressure difference.

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A simple U tube manometer connected to a pipe in which liquid is flowing with uniform speed will give which kind of pressure?

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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For dynamic fluid motion in a pipe, the pressure measurement cannot be carried out accurately by manometer.

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What type of liquids are measured using a manometer?

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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.

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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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

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For what height of the mercury column will the pressure inside the gas be 40 cm Hg vacuum?

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Why can’t the density be assumed as constant for compressible fluids?

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In the manometer given above, 2 immiscible fluids mercury (ρ = 13600 kg/m^3) and water (ρ = 1000 kg/m^3) are used as manometric fluids. The water end is exposed to atmosphere (100 kPa) and the mercury end is exposed to a gas. At this position, the interface between the fluids is at the bottom most point of the manometer. Ignore the width of the manometer tube and the radius of curvature. The value of h is found to be 9.45 m. The height of the mercury column is given to be 75 cm. Find the gauge pressure of the gas. (g = 9.8 m/s^2)

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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In a U-tube manometer, one end is open to the atmosphere, the other end attached to a pressurized gas of gauge pressure 40 kPa. The height of the fluid column in the atmospheric side is 60 cm, and that on the gas side is 30 cm. The manometic fluid used is: (Take g = 9.8 m/s^2).

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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A Hydraulic press has a ram of 30 cm diameter and a plunger of of 2 cm diameter. It is used for lifting a weight of 35 kN. Find the force required at the plunger.

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The device used to measure the fluid pressure is _____________

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A large tank is filled with three liquids of densities ρ, 2ρ and 3ρ up to heights of ^h ⁄ 6, ^h ⁄ 3 and ^h ⁄ 2 respectively. What will be the ratio of the instantaneous velocity of discharge through a small opening at the base of the tank in this case to that if the container is filled with the liquid of density ρ only? (assume that the diameter of the opening is negligible compared to the height of the liquid column)

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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A large tank of height h is half-filled with a liquid of density ρ and other half-filled with a liquid of density 4ρ. A similar tank is half-filled with a liquid of density 2ρ and other-half filled with another liquid of density 3ρ as shown. What will be the ratio of the instantaneous velocities of discharge through a small opening at the base of the tanks? (assume that the diameter of the opening is negligible compared to the height of the liquid column in either of the tanks)

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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A large tank of height h is filled with a liquid of density ρ. A similar tank is half-filled with this liquid and other-halffilled with another liquid of density 2ρ as shown. What will be the ratio of the instantaneous velocities of discharge through a small opening at the base of the tanks? (assume that the diameter of the opening is negligible compared to the height of the liquid column in either of the tanks)

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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A beaker of height 10 cm is half-filled with water (Sw = 1) and half-filled with oil (So = 1). At what distance (in cm) from the base will the pressure be half the pressure at the base of the beaker?

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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If the pressure at a point is 1m of water, what will be it’s value in terms of m of oil? (Take, the specific gravity of oil to be 0.8)

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A cuboidal container (each side of 30 cm0) is completely filled with water. A is a point, 25 cm above the base such that the pressure at point A is P. At what height (in cm) from the base will the pressure be 2P?

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

Why is large reservoir used in single column manometer?

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