Engineering

Mechanical EngineeringQ&A LibraryProblem 5: A pressurized tank of water has a 10-cm-diameter nozzle at the bottom, where theliquid discharges to the atmosphere. The liquid level is 2.5 m above the outlet and the tankdiameter can be assumed to be much larger than the diameter of the discharge nozzle. The airpressure in the space above the liquid is 250 kPa (absolute) while the atmospheric pressure is100 kPa. Neglecting frictional effects, determine the rate of discharge (kg/sec) of liquid from thetank when the liquid level is 2.5m.Air250 kPa25 m10 cmQuestion

Asked Nov 3, 2019

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1. What approximations, if any, can you make from the statement that the diameter of the tank is much larger than the diameter of the nozzle?

2. Do you now have a good plan for how you will proceed with the solution of this problem?

Step 1

From the given problem it has been stated that diameter of tank is larger than diameter of nozzle. This means that area of tank is too much larger than the area of nozzle.

Step 2

From conservation of mass principle,

Mass flow rate will...

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