Mechanical Properties of Fluids
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Q. A fluid flows through a pipe with a diameter of 0.1 m at a velocity of 2 m/s. What is the flow rate?
Q. A fluid has a density of 850 kg/m³. What is the weight of 2 m³ of this fluid?
Q. A liquid has a surface tension of 0.072 N/m. What is the force acting on a 0.1 m long line on the surface of the liquid?
Q. A tank is filled with water to a height of 5 m. What is the hydrostatic pressure at the bottom of the tank?
Q. If the flow velocity doubles in a pipe, how does the kinetic energy per unit volume change?
Q. If the viscosity of a fluid is 0.5 Pa.s and the shear stress is 10 Pa, what is the shear rate?
Q. What is the buoyant force acting on a submerged object with a volume of 0.2 m³ in water?
Q. What is the critical velocity for a fluid with a density of 1200 kg/m³ and a viscosity of 0.002 Pa.s in a pipe of diameter 0.1 m?
Q. What is the pressure at a depth of 10 meters in a fluid with a density of 1000 kg/m³? (Assume g = 9.81 m/s²)
Q. What is the Reynolds number for a fluid with a density of 1000 kg/m³, a velocity of 1 m/s, and a dynamic viscosity of 0.001 Pa.s in a pipe with a diameter of 0.05 m?
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