5. A right circular tank 6 m in diameter and 12 high is filled with 6 m of oil sg = 0.88 and 6 m of water. A horizontal circular orifice 80 mm diameter is situated at the bottom coefficient of velocity is 0.97 and coefficient of contraction is 0.67. Neglecting the velocity approach A) Determine the velocity of the jet issuing from the orifice at the instant the surface of the liquid in the tank is 7 m above the orifice. B) Compute the time to remove the water in the tank C) Compute the time to remove the oil in the tank 6 m 6m 6 m

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