Relevant Competitive Tests:
The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known_________________?
A. Bio-Chemical Oxygen Demand (B.O.D.)
B. Dissolved Oxygen (D.O.)Correct Answer
C. Chemical Oxygen Demand (C.O.D.)
D. None of these
Correct Option: B. Dissolved Oxygen (D.O.)
This question has been verified by the PakPrep community moderation network for competitive examination accuracy.
Subject Overview
Explore thousands of solved past paper MCQs for Civil Engineering Mcqs categorized with explanations.
Browse All Civil Engineering Mcqs MCQs →