Civil Engineering MCQAE Level Civil Engineering
COD value of wastewater is usually greater than BOD because COD measures
Environmental EngineeringGeneralMEDIUM
Choose the correct answer
A
only dissolved oxygen
B
only biodegradable fraction
C
only suspended solids
D
chemically oxidizable organic matter including non-biodegradable fraction
Correct Answer
D. chemically oxidizable organic matter including non-biodegradable fraction
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COD oxidizes a wider range of substances than microorganisms in BOD test.
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