Advanced Wastewater Treatment Methods MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Advanced Wastewater Treatment Methods, 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 Advanced Wastewater Treatment Methods 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 Advanced Wastewater Treatment Methods mcq questions that explore various aspects of Advanced Wastewater Treatment Methods problems. Each MCQ is crafted to challenge your understanding of Advanced Wastewater Treatment Methods 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 Advanced Wastewater Treatment Methods 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 Advanced Wastewater Treatment Methods. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Advanced Wastewater Treatment Methods MCQs | Page 13 of 48

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Q121.
What is the minimum amount of dissolved oxygen required for nitrification?

a.

0.5 mg/L

b.

1.0 mg/L

c.

1.5 mg/L

d.

2.0 mg/L

Discuss
Answer: (b).1.0 mg/L
Q122.
What is the optimum pH for nitrosomonas?

a.

6.5-7.5

b.

7.5-8.5

c.

9.5-10.5

d.

13.5-14

Discuss
Answer: (b).7.5-8.5
Q123.
What is the minimum temperature required for denitrification process?

a.

3˚C

b.

5˚C

c.

15˚C

d.

30˚C

Discuss
Answer: (b).5˚C
Q124.
What is the denitrification rate for the following data?

Temperature: 10 degree Celsius
Dissolved oxygen: 10 mg/L

a.

0.038 per day

b.

0.0038 per day

c.

0.38 per day

d.

3.8 per day

Discuss
Answer: (a).0.038 per day
Q125.
Calculate the residence time for the following data.

Influent nitrate: 22 mg/L
Effluent nitrate: 3 mg/L
Overall denitrification rate: 0.038 per day
MLVSS: 2000 mg/L

a.

1.5 hrs

b.

5 hrs

c.

6 hrs

d.

9 hrs

Discuss
Answer: (c).6 hrs
Q126.
Which of these chemicals is added in the post anoxic step?

a.

Acetate

b.

Propanol

c.

Butanol

d.

Chloroform

Discuss
Answer: (a).Acetate
Q127.
Ammonia is converted into nitrogen by which type of bacteria in anaerobic conditions?

a.

Autotrophic

b.

Heterotrophic

c.

Organotrophs

d.

Lithotrophs

Discuss
Answer: (a).Autotrophic
Q128.
What is the temperature at which the denitrification process takes place when it is carried out in a fluidised bed reactor?

a.

30-35 degree

b.

35 degree

c.

40 degree

d.

25 degree

Discuss
Answer: (a).30-35 degree
Q129.
Ammonia stripping is done to increase ammonia content.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q130.
What is the limit of ammonia content for which ammonia stripping is suited?

a.

10 mg/l

b.

50 mg/l

c.

75 mg/l

d.

100 mg/l

Discuss
Answer: (d).100 mg/l
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