The discharge coefficient, Cq, of an orifice can be found by collecting water that flows during a timed interval when it is under constant head ' h'. The following formula is used to measure the discharge coefficient:





Find Cq and the various component errors





What will be an ideal response?


From the formula,





The partial derivatives are:





Consider each component of error contributing to the measurement of the discharge coefficient in absolute terms using the following equation:





Use these partial derivatives and accounting for component errors:

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