College

Velocity of flow in water mains is usually expressed in terms of:

1) Litres per minute
2) Litres per hour
3) Cubic feet per second
4) Cubic metres per hour

Answer :

Final answer:

The velocity of flow in water mains is usually expressed in terms of cubic metres per hour.

Explanation:

The velocity of flow in water mains is usually expressed in terms of cubic metres per hour.

Flow rate is the volume of fluid passing through a point per unit time. In the case of water mains, the flow rate is commonly specified in terms of the volume of water passing through the pipes in a given time period.

For example, a water main might have a flow rate of 100 cubic metres per hour, indicating that 100 cubic metres of water pass through the pipes every hour.

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