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Question
Ultimate BOD value of a waste
A.
Double with every 10°C rise in temperature
B.
Increase with temperature
C.
Decrease with temperature
D.
Remains the same at all temperatures
Answer ( Option D)

Remains the same at all temperatures

Solution

The ultimate BOD value of waste is the amount of biodegradable organic matter presents in the sewage sample. At any temperature the amount of organic matter present does not change, So the ultimate BOD will remain same for any temperature.

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