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Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem:
- a)Venturimeter
- b)Orifice plate
- c)Pitot tube
- d)All of these
Correct answer is option 'D'. Can you explain this answer?
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Which of the following instruments is used to measure flow on the app...
The flow rate through a pipe is usually measured by providing a coaxial area contraction within the pipe and by recording the pressure drop across the contraction, which is the application of Bernoulli’s equation.
Three flow meters primarily operate on this principle:
- Venturimeter
- Orificemeter
- Pitot tube
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Which of the following instruments is used to measure flow on the app...
Understanding Flow Measurement Instruments
Flow measurement is a critical aspect of fluid mechanics, and several instruments utilize Bernoulli’s theorem for this purpose. The correct answer is option 'D', which includes Venturimeters, Orifice plates, and Pitot tubes.
1. Venturimeter
- A Venturimeter is designed with a converging section, a throat, and a diverging section.
- As fluid flows through, the velocity increases in the throat, causing a decrease in pressure.
- The pressure difference is used to calculate the flow rate based on Bernoulli’s theorem.
2. Orifice Plate
- An Orifice plate consists of a flat plate with a hole in the middle.
- When fluid passes through the orifice, its velocity increases, leading to a pressure drop.
- The flow rate can be derived from the pressure difference, applying Bernoulli’s principle to relate velocity and pressure.
3. Pitot Tube
- A Pitot tube measures the fluid's velocity by comparing static and dynamic pressures.
- It consists of two tubes: one facing the flow (measuring dynamic pressure) and one perpendicular (measuring static pressure).
- The difference in pressures allows for the calculation of flow velocity, again rooted in Bernoulli’s theorem.
4. Conclusion
- All three instruments—Venturimeter, Orifice plate, and Pitot tube—effectively utilize Bernoulli’s theorem to measure flow by relating pressure differences to fluid velocity.
- Hence, option 'D' encompasses all the instruments that employ this principle for flow measurement.
Flow measurement is a critical aspect of fluid mechanics, and several instruments utilize Bernoulli’s theorem for this purpose. The correct answer is option 'D', which includes Venturimeters, Orifice plates, and Pitot tubes.
1. Venturimeter
- A Venturimeter is designed with a converging section, a throat, and a diverging section.
- As fluid flows through, the velocity increases in the throat, causing a decrease in pressure.
- The pressure difference is used to calculate the flow rate based on Bernoulli’s theorem.
2. Orifice Plate
- An Orifice plate consists of a flat plate with a hole in the middle.
- When fluid passes through the orifice, its velocity increases, leading to a pressure drop.
- The flow rate can be derived from the pressure difference, applying Bernoulli’s principle to relate velocity and pressure.
3. Pitot Tube
- A Pitot tube measures the fluid's velocity by comparing static and dynamic pressures.
- It consists of two tubes: one facing the flow (measuring dynamic pressure) and one perpendicular (measuring static pressure).
- The difference in pressures allows for the calculation of flow velocity, again rooted in Bernoulli’s theorem.
4. Conclusion
- All three instruments—Venturimeter, Orifice plate, and Pitot tube—effectively utilize Bernoulli’s theorem to measure flow by relating pressure differences to fluid velocity.
- Hence, option 'D' encompasses all the instruments that employ this principle for flow measurement.
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Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem:a)Venturimeterb)Orifice platec)Pitot tubed)All of theseCorrect answer is option 'D'. Can you explain this answer?
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