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    The actual discharge of liquid through an orifice is determined by multiplying ideal discharge by a factor called coefficient of discharge. The coeffi
    Question

    The actual discharge of liquid through an orifice is determined by multiplying ideal discharge by a factor called coefficient of discharge. The coefficient of discharge is given by __________.

    A.

    DischargeVelocity\frac{Discharge}{Velocity}​​

    B.

    Theoretical dischargeActual discharge\frac{\text{Theoretical discharge}}{\text{Actual discharge}}​​

    C.

    Actual dischargeTheoretical discharge\frac{\text{Actual discharge}}{\text{Theoretical discharge}}​​

    D.

    Actual dischargeVelocity\frac{\text{Actual discharge}}{\text{Velocity}}​​

    Correct option is C

    Orifice meter:
    An orifice meter is a cheap device for discharge measurement.
    The coefficient of discharge (Cd) is defined as the ratio of actual discharge to the ideal discharge. 
    CdC_d = Actual dischargeTheoretical discharge\frac{\text{Actual discharge}}{\text{Theoretical discharge}}​​

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