(a) Where does most of the energy loss occur in a Venturi meter, and why is this the case? (b) A Venturi meter is being calibrated in the laboratory. The meter has a diameter of 75mm at the entrance and 50mm at the throat. The differential head is 1.574m. The flow rate is obtained by measuring the time required to collect a certain quantity of water. The average of a number of such measurements gives 0.614m3 of water collected in 55.82s. At this discharge, what is the value of the coefficient of discharge, CD?
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