A venturimeter wth a throat diameter of 10 cm is connected to a 20 cm diameter main (0.1V3 carrying water. The head loss between the inlet and throat is known to be 2g where V, Velocity at the throat. Estimate the discharge when the inverted differential U-tube manometer connected to the inlet and throat records a reading of 30 cm. The manometer fluid has a relative density of 0.75. What is the coefficient of discharge of the meter?

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Asphalt binders are subsidiary products procured during the refining process of petroleum while manufacturing gasoline, diesel, and similar petroleum products. Asphalt binders are obtained from the residue that remains after the distillation of petroleum, this residue is further subjected to steam distillation and oxidation to remove the traces of gas oil present in the residue. Certain additives or modifiers are also added to asphalt binders to alter them to suit different applications.