What is pressure head and velocity head?

Explanation

To understand pressure head and velocity head, we can refer to Bernoulli's equation, which describes the behavior of fluid flow. Here’s a step-by-step explanation:

### Step 1: Understand Bernoulli's Equation
Bernoulli's equation states that for an incompressible, frictionless fluid flowing in a streamline, the following relationship holds:
\[ P + \rho gh + \frac{1}{2} \rho v^2 = \text{constant} \]
Where:
- \( P \) = pressure of the fluid
- \( \rho \) = density of the fluid
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