QUESTION

Mass and energy balance

1. Ms Joy Cruz is filling her bathtub but she forgot to put the plug in. If the volume of water for a bath is 0.350 m3 and the tap is flowing at 1.32 L/min and the drain is running at 0.32 L/ min, how long will it take to fill the tub to bath level? Assuming she shuts off the water when the tub is full and does not flood the house, how much water will be wasted? Assume the density of water remains constant through the control volume.

Public Answer

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