Precautions

You should always keep in mind following:

1. Water should always flow from constant water level tank

2. A number of observations of the rate of flow of water should be made and their mean value Should be used for calculations.

3. The steady state position should be attained correctly.

4. Water should be collected only when steady state attained.

5. Water should be collected 3 to 4 times and mean value of water collected per second be used in calculations.