Natural Methods of Wastewater Disposal MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Natural Methods of Wastewater Disposal, a fundamental topic in the field of Waste Water Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Natural Methods of Wastewater Disposal MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Natural Methods of Wastewater Disposal mcq questions that explore various aspects of Natural Methods of Wastewater Disposal problems. Each MCQ is crafted to challenge your understanding of Natural Methods of Wastewater Disposal principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Waste Water Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Natural Methods of Wastewater Disposal MCQs are your pathway to success in mastering this essential Waste Water Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Natural Methods of Wastewater Disposal. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Natural Methods of Wastewater Disposal knowledge to the test? Let's get started with our carefully curated MCQs!

Natural Methods of Wastewater Disposal MCQs | Page 5 of 7

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Q41.
___________ means that a substance can be converted into simpler compounds by biologically mediated reactions.

a.

Non-biodegradable

b.

Biodegradable

c.

Dilution

d.

Assimilation

Discuss
Answer: (b).Biodegradable
Q42.
Oxygen in water is consumed during aerobic biodegradation of organic compounds.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q43.
The rate at which oxygen is dissolved into the water from the atmosphere is proportional to the deficit of oxygen in the water.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q44.
What is endogenous respiration?

a.

Discrete use of oxygen

b.

Less use of oxygen

c.

Higher amount of oxygen production

d.

Continual use of oxygen

Discuss
Answer: (d).Continual use of oxygen
Q45.
When the deoxygenation rate exceeds the reoxygenation rate, the oxygen sag curve shows ________ in a deficit of oxygen.

a.

Increase

b.

Decrease

c.

Constant

d.

Same

Discuss
Answer: (a).Increase
Q46.
During which of the following conditions, the deoxygenation is equal to reoxygenation?

a.

Stream exposed to atmosphere

b.

Increased volume

c.

Greener vegetation

d.

High temperature

Discuss
Answer: (a).Stream exposed to atmosphere
Q47.
Which one of the following is the basic indicator of river health?

a.

BOD

b.

COD

c.

DO

d.

ThOD

Discuss
Answer: (c).DO
Q48.
What is the minimum amount of DO required for the life survival of aquatic animals?

a.

10 mg/l

b.

5 mg/l

c.

2 mg/l

d.

1 mg/l

Discuss
Answer: (c).2 mg/l
Q49.
Oxygen demanding wastes improves DO.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q50.
In the concept of self purification of natural streams, complete the following phrase.
Solution to pollution is _________

a.

Control

b.

Dilution

c.

Reuse

d.

Recycle

Discuss
Answer: (b).Dilution
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