Pressure intensity or force due to pressure gradient for fluid at rest is considered as which kind of force?

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

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If a gas X be confined inside a bulb as shown, by what percent will the pressure of the gas be higher or lower than the atmospheric pressure? (Take the atmospheric pressure equal to 101.3 kPa)

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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.

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The pressure at any given point of a non-moving fluid is called the ____________

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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.

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Calculate the pressure of air at a height of 3500m from sea level where pressure and temperature of air are 10 N/cm^2 and 25℃ respectively. The temperature lapse rate is given as 0.0065 ℃ /m. Take density of air at sea level equal to 1.2 kg/m^3.

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A beaker is filled with a liquid of density ρ1 up to a certain height. A is a point, h m downwards from the free surface of the liquid as shown. The liquid is replaced by equal volume of another liquid of density ρ2. If ρ1 > ρ2, how will the pressure at point A change?

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A beaker is filled with a liquid up to a height h. If A and B are two points, one on the free surface and one at the base as shown, such that the minimum distance between the two is l, what will be the pressure at point B?

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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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The device used to measure the fluid pressure is _____________

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A beaker, partially filled with a liquid is rotated by an angle 30^o as shown. If the pressure at point B becomes 12 bar, what will be the height (in cm) of the beaker?

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As we go upwards, at height there is slight decrease in pressure variation.

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If the atmospheric pressure at sea level is 7.5 N/cm2, determine the pressure at a height of 3000m assuming the pressure variation follows isothermal law. The density of air is given as 1.2 km/m3.

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

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