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In an orifice used for flow measurement, the coefficient of velocity is always:
  • a)
    equal to unity
  • b)
    a non-zero negative number
  • c)
    less than unity
  • d)
    greater than unity
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
In an orifice used for flow measurement, the coefficient of velocity i...
Coefficient of velocity through orifice =ActualvelocityTheoreticalvelocity
Vtheo > Vact
So, Cv is always less than 1.
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In an orifice used for flow measurement, the coefficient of velocity is always:a)equal to unityb)a non-zero negative numberc)less than unityd)greater than unityCorrect answer is option 'C'. Can you explain this answer?
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