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This question belongs to Civil Engineering Environmental Engineering

Environmental Engineering

?

The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is

A) 1 B) 100 C) Infinite D) Zero

Answer & Solution

Correct Answer: Option B

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Question posted by Examveda

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4 Comments

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Muhammad Saqib 5 years ago

Relative stability:

The ratio of oxygen available in the wastewater (as dissolved oxygen) to the total oxygen required to satisfy its first state BOD is called relative stability.

Munna Bhaiya 5 years ago

Oxygen available/oxygen reqd x 100

Suraj Kumar 7 years ago

Bcoz it is defined as percentage of oxygen required to satisfy 1st stage BOD.

Narvada Kashav 8 years ago

Why should not1

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