The biochemical oxygen demand can be given by ___________(a) (Dob – Dos)+dilution factor(b) (Dob – Dos)-dilution factor(c) (Dob – Dos)/dilution factor(d) (Dob – Dos)*dilution factorThis question was addressed to me in unit test.This interesting question is from Problems, Units and Formulae topic in portion Water of Applied Chemistry

The biochemical oxygen demand can be given by ___________(a) (Dob –

1.	The biochemical oxygen demand can be given by ___________(a) (Dob – Dos)+dilution factor(b) (Dob – Dos)-dilution factor(c) (Dob – Dos)/dilution factor(d) (Dob – Dos)*dilution factorThis question was addressed to me in unit test.This interesting question is from Problems, Units and Formulae topic in portion Water of Applied Chemistry
Answer» The correct choice is (d) (DOB – Dos)dilution factor Explanation: The BIOCHEMICAL oxygen DEMAND can be given by (Dob – Dos)dilution factor where Dob = dissolved oxygen present in blank Dos = dissolved oxygen of SEWAGE after incubation.

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