# Reconsider Prob. 1474. In order to drain the tank faster, a pump is installed near the tank

## Question:

_{v}= 4.246 kPa = 0.43 m-H

_{2}O, and the system is located at sea level. Investigate if there is the possibility of cavitation and if we should be concerned about the location of the pump.

Data problem 14-74

A 3-m-diameter tank is initially filled with water 2 m above the center of a sharp-edged 10-cm-diameter orifice. The tank water surface is open to the atmosphere, and the orifice drains to the atmosphere through a 100-m-long pipe. The friction coefficient of the pipe is taken to be 0.015 and the effect of the kinetic energy correction factor can be neglected.

Determine

(a) The initial velocity from the tank

(b) The time required to empty the tank.

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**Related Book For**

## Fundamentals of Thermal-Fluid Sciences

**ISBN:** 978-0078027680

5th edition

**Authors:** Yunus A. Cengel, Robert H. Turner, John M. Cimbala