# Problem 5: A pressurized tank of water has a 10-cm-diameter nozzle at the bottom, where the liquiddischarges to the atmosphere. The liquid level is 2.5 m above the outlet and the tank diameter can beassumed to be much larger than the diameter of the discharge nozzle. The air pressure in the spaceabove the liquid is 250 kPa (absolute) while the atmospheric pressure is 100 kPa. Neglecting frictionaleffects, determine the rate of discharge (kg/sec) of liquid from the tank when the liquid level is 2.5mAir250 kPa25m10 cm

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Step 1

Taking point 1 above liquid surface and point 2 just after nozzle exit.

Step 2

The principle of conservation of energy in fluid flow is given by Bernoulli’s equation. Bernoulli’s equation can be applied between two points for the same streamlines for inviscid flow. Hence, applying Bernoulli’s equation between 1 & 2.

Step 3

From conservation of m...

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