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GATE Questions with solutions: Venturimeter Video Lecture | Topper Handwritten Notes & Videos for GATE ME - Mechanical Engineering
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FAQs on GATE Questions with solutions: Venturimeter Video Lecture - Topper Handwritten Notes & Videos for GATE ME - Mechanical Engineering
| 1. What is a Venturimeter? |  |
Ans. A Venturimeter is a device used to measure the flow rate of fluid in a pipe. It consists of a converging-diverging section called a Venturi tube, which causes a pressure drop in the fluid. By measuring this pressure drop, the flow rate of the fluid can be determined.
| 2. How does a Venturimeter work? | |
Ans. A Venturimeter works based on the principle of Bernoulli's equation. As the fluid enters the converging section of the Venturi tube, its velocity increases and the pressure decreases. In the throat of the tube, the velocity reaches its maximum and the pressure drops to its lowest point. Finally, in the diverging section, the fluid slows down and the pressure increases again. By measuring the pressure difference between the entrance and throat of the Venturi tube, the flow rate can be calculated.
| 3. What are the advantages of using a Venturimeter? | |
Ans. There are several advantages of using a Venturimeter for flow rate measurement. It has a simple design and is relatively inexpensive to manufacture. It also has a low-pressure drop compared to other flow measurement devices. Additionally, Venturimeters are highly accurate and can be used for a wide range of fluid flow rates and pipe sizes.
| 4. How can the flow rate be calculated using a Venturimeter? | |
Ans. The flow rate through a Venturimeter can be calculated using the Bernoulli's equation and the principle of continuity. By measuring the pressure difference between the entrance and throat of the Venturi tube, the velocity of the fluid at the throat can be determined. Multiplying this velocity by the cross-sectional area of the throat gives the flow rate.
| 5. What are some applications of Venturimeters? | |
Ans. Venturimeters have various applications in industries and research. They are commonly used in HVAC systems to measure the flow rate of air. They are also used in water supply systems, chemical processing plants, and oil refineries to measure the flow rate of liquids. Additionally, Venturimeters are used in laboratories and research facilities for experimental purposes and fluid dynamics studies.
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