Q. Which among these devices are the best suited for the measurement of high pressure liquids with high accuracy?

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Q. How do we measure the flow rate of liquid?

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Q. What is the instrument used for the automatic control scheme during the fluid flow?

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Q. Define Viscosity?

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Q. What is the viscosity of water at 30°C?

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Q. Which one of the following is the unit of pressure?

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Q. Which one of the following is the dimension of pressure?

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Q. Which one of the following statements is true regarding pressure?

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Q. 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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Q. A beaker of height h is completely filled with water. Now two-third of the liquid is replaced by another liquid. If the pressure at the base of the beaker doubled, what is the specific gravity of the liquid poured?

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Q. 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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Q. The pressure at a point in the fluid is 4.9 N/cm². Find height when the fluid under consideration is in oil of specific gravity of 0.85.

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Q. An open tank contains water upto a depth of 350 cm and above it an oil of specific gravity 0.65 for a depth of 2.5 m. Find the pressure intensity at the extreme bottom of the tank.

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Q. 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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Q. 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.

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Q. We can draw Mohr’s circle for a fluid at rest.

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

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Q. Calculate the hydrostatic pressure for water moving with constant velocity at a depth of 5 m from the surface.

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Q. Pressure distribution for fluid at rest takes into consideration pressure due to viscous force.

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Q. Barometer uses the principle of fluid at rest or pressure gradient for its pressure calculation.

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