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 The device used to measure the flow speed of the incompressible fluid is called

 The device used to measure the flow speed of the incompressible fluid is called Correct Answer Venturi-meter

CONCEPT:

  • Thermometer: It is a device used to measure the temperature of a body.
  • Open tube manometer: An open tube manometer is a useful instrument for measuring pressure differences.

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  • Venturi-meter: It is a device that is used to measure the flow speed of an incompressible liquid. It consists of a broad diameter tube and a small constriction at the middle. 

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EXPLANATION: 

  • The device used to measure the flow speed of the incompressible fluid is called the Venturi meter. Hence option 1 is correct.

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