Question

The quality of the fish habitat begins to increase when the dissolved oxygen concentration drops below 4 or 5 mg L-1.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Answer: (b).False

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. The quality of the fish habitat begins to increase when the dissolved oxygen concentration drops below 4 or 5 mg L-1.

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Organic matter + nutrients + O₂ → CO₂ + H₂O + _______

Q. 2NH₃ +3O₂ -> 2NO₂⁻ + ___ + 2H₂O.

Q. Which among these is the alternative BOD test for determining the oxygen consuming potential of a wastewater sample?

Q. What does SWOT stand for?

Q. What is the combination of using a photocatalyst and UV or visible light for the treatment of wastewater and gaseous pollutants is called?

Q. What is stoichiometry?

Q. What is the rate of a chemical reaction not dependent on?

Q. How is iconic strength related to total dissolved solids?

Q. In solutions as ionic concentration increases a non-ideal condition arises. To account for this non-ideal condition due to the ion-ion interaction what is the effective concentration term called as?

Q. In dilute solutions which are normally encountered in water treatment what is the value of the activity of coefficient assumed?

Q. What will be the activity coefficient of a solution consisting of monovalent ions?

Q. In case of Moving Bed Bioreactor and Activated Sludge process which is the factor that limits the rate of the reaction?

Q. What is the value of activity coefficients for monovalent and divalent ions for a potable water at an ionic strength of 0.01 M?

Q. In water treatment which factor which has a major control over reaction selectivity and product distribution?

Q. The degradation of BOD is classified as what type of reaction?

Q. Which among the following reactors has important advantages?

Q. __________ is the net movement of mass from one location or component to another.

Q. Which of the following do not involve mass transfer in terms of water treatment?

Q. What is the flux not dependent on?

Q. In which of the following cases the flux is considered as volumetric flux?

Recommended Subjects

Are you eager to expand your knowledge beyond Waste Water Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!