Principle of Orificemeter and Venturimeter
Orificemeter and Venturimeter both work on the principle of measuring the flow of fluid by creating a pressure difference. Here is a detailed explanation of how the principles of Orificemeter and Venturimeter are the same:

Constriction in the Flow Path
- Both Orificemeter and Venturimeter have a constriction in the flow path that causes a pressure drop in the fluid passing through it.

Pressure Difference
- The pressure difference created by the constriction is directly related to the flow rate of the fluid.
- By measuring the pressure difference, the flow rate can be calculated using the relevant equations.

Flow Rate Measurement
- Orificemeter and Venturimeter are commonly used in pipelines to measure the flow rate of liquids such as water, oil, or gas.
- They are widely used in various industries for monitoring and controlling the flow of fluids.

Similar Working Principle
- Both devices work on the principle of Bernoulli's equation, which states that the total energy of a fluid remains constant along a streamline.
- The pressure difference created by the constriction is used to calculate the flow rate based on the Bernoulli's equation.
Therefore, the principle of Orificemeter is indeed the same as that of Venturimeter, as both devices operate on similar principles of fluid flow measurement through constriction in the flow path.