Explore topic-wise MCQs in Waste Water Engineering.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Waste Water Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

_______IS_PRESENT_IN_EBPR_IMPLEMENTATIONS.?$

A. Aeration tank
B. Anaerobic tank
C. Aerobic and anaerobic tank
D. No tanks
Answer» D. No tanks
Discussion
2.

What is the percentage of phosphorus present in bacterial biomass?$

A. 0.2%
B. 0.3%
C. 0.8%
D. 1%
Answer» E.
Discussion
3.

What does PAO stand for?$

A. Poly-ammonium oxygenate
B. Polyphosphate-accumulating organisms
C. Poly-ammonium organisms
D. Phosphate-ammonium organisms
Answer» C. Poly-ammonium organisms
Discussion
4.

How much amount of phosphorus is removed by secondary treatment?

A. 0.2-0.3 mg/l
B. 0.4-0.6 mg/l
C. 0.5-1 mg/l
D. 1-2 mg/l
Answer» E.
Discussion
5.

________ undergo hydrolysis and revert to the orthophosphate forms.

A. Biophosphorus
B. Orthophosphate
C. Phosphate
D. Polyphosphate
Answer» E.
Discussion
6.

What is the phosphorus available for a biological process called?

A. Phosphate
B. Orthophosphate
C. Polyphosphate
D. Biophosphorus
Answer» C. Polyphosphate
Discussion
7.

What is the average phosphorus contribution per person per day?

A. 1.2 g
B. 2.18 g
C. 3.26 g
D. 4.25 g
Answer» C. 3.26 g
Discussion
8.

Phosphorus is the main component of synthetic detergents.

A. True
B. False
Answer» B. False
Discussion
9.

What is the amount of phosphorus present in municipal wastewater?

A. 1-2 mg/L
B. 2-8 mg/L
C. 4-12 mg/L
D. 5-20 mg/L
Answer» E.
Discussion
10.

What is the percentage of sludge in phosphorus removal by chemical precipitation?

A. 10%
B. 20%
C. 30%
D. 40%
Answer» E.
Discussion
11.

Phosphorus is one of the responsible factors for eutrophication.

A. True
B. False
Answer» B. False
Discussion