A rotameter is used to measure ________ of fluids.

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SSC JE ME Previous Paper 9 (Held on: 27 Sep 2019 Evening)
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  1. density
  2. rotational energy
  3. viscosity
  4. flow rate

Answer (Detailed Solution Below)

Option 4 : flow rate
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Detailed Solution

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Explanation:

  • A rotameter is a device that measures the flow rate of fluid in a closed tube.
  • It is a variable area type of flow meter. In this, a float rises inside a conically shaped glass tube, as the flow increases, its position on a scale can be read off as the flow rate.
  • The construction is as shown:

    F1 S.B Madhu 24.12.19 D 12

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