Questions from Thermal Fluid Science


Q: The water level in a tank is 20 m above the ground

The water level in a tank is 20 m above the ground. A hose is connected to the bottom of the tank, and the nozzle at the end of the hose is pointed straight up. The tank cover is airtight, and the air...

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Q: The air velocity in a duct is measured by a Pitotstatic probe

The air velocity in a duct is measured by a Pitotstatic probe connected to a differential pressure gage. If the air is at 13.4 psia absolute and 70°F and the reading of the differential pressure gage...

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Q: In cold climates, water pipes may freeze and burst if proper

In cold climates, water pipes may freeze and burst if proper precautions are not taken. In such an occurrence, the exposed part of a pipe on the ground ruptures, and water shoots up to 55 m. Estimate...

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Q: Water enters a tank of diameter DT steadily at a mass flow

Water enters a tank of diameter DT steadily at a mass flow rate of min.in. An orifice at the bottom with diameter Do allows water to escape. The orifice has a rounded entrance, so the frictional losse...

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Q: What is irreversible head loss? How is it related to the

What is irreversible head loss? How is it related to the mechanical energy loss?

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Q: What is useful pump head? How is it related to the

What is useful pump head? How is it related to the power input to the pump?

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Q: Consider the steady adiabatic flow of an incompressible fluid. Can the

Consider the steady adiabatic flow of an incompressible fluid. Can the temperature of the fluid decrease during flow? Explain.

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Q: What is streamwise acceleration? How does it differ from normal acceleration

What is streamwise acceleration? How does it differ from normal acceleration? Can a fluid particle accelerate in steady flow?

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Q: Consider the steady adiabatic flow of an incompressible fluid. If the

Consider the steady adiabatic flow of an incompressible fluid. If the temperature of the fluid remains constant during flow, is it accurate to say that the frictional effects are negligible?

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Q: At a certain location, wind is blowing steadily at 10 m

At a certain location, wind is blowing steadily at 10 m/s. Determine the mechanical energy of air per unit mass and the power generation potential of a wind turbine with 60-m-diameter blades at that l...

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