How is flow rate expressed in terms of volume and time?

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The flow rate is defined as the amount of fluid that passes through a given surface or point in a specified amount of time. This relationship can be quantified in terms of volume and time, where flow rate is represented as the volume of fluid divided by the time it takes for that volume to flow.

When the flow rate is expressed as volume per unit time (for example, liters per second or cubic meters per hour), this directly captures how much fluid is moving in a specific interval. Therefore, if you take the volume of the fluid and divide it by the time over which that volume flows, you get the flow rate.

This is why the formula for flow rate is correctly stated as volume divided by time. It provides a clear and straightforward way to measure and communicate the rate of fluid movement in pneumatic systems or any other fluid systems.

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