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4. Given the diagram below, find out the following, if the river velocity is 0.65m/s : (a) Initial ultimate BOD upon mixing (L0,mix) (b) Initial

4. Given the diagram below, find out the following, if the river velocity is 0.65m/s : (a) Initial ultimate BOD upon mixing (L0,mix) (b) Initial oxygen deficit (D0) if DOsat is 7.92mg/L (c) DO at x=5.79km (d) Critical DO

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