Explore topic-wise MCQs in Waste Water Engineering.

This section includes 12 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.

Which colour are the facultative ponds?

A. Blue
B. Green
C. Brown
D. Black
Answer» C. Brown
Discussion
2.

What is the maximum allowable temperature in facultative ponds?

A. 15˚C
B. 20˚C
C. 25˚C
D. 30˚C
Answer» D. 30˚C
Discussion
3.

WHAT_IS_THE_MAXIMUM_ALLOWABLE_TEMPERATURE_IN_FACULTATIVE_PONDS??$

A. 15ÀöC
B. 20ÀöC
C. 25ÀöC
D. 30ÀöC
Answer» D. 30‚àö√Ñ‚àö‚àÇC
Discussion
4.

Which colour are the facultative ponds?$

A. Blue
B. Green
C. Brown
D. Black
Answer» C. Brown
Discussion
5.

What is the depth range of facultative ponds?

A. 0.5-0.8 m
B. 0.8-1.0 m
C. 1-1.2 m
D. 1.2-1.5 m
Answer» E.
Discussion
6.

Ice mats _____ the oxygen transfer surface.

A. Alter
B. Increase
C. Reduce
D. Maintain
Answer» D. Maintain
Discussion
7.

______ weather requires large oxygen transfer.

A. Cold
B. Warm
C. Rainy
D. Normal
Answer» C. Rainy
Discussion
8.

How much amount of oxygen should one acre of facultative lagoon must provide per day?

A. 10 pounds
B. 50 pounds
C. 75 pounds
D. 90 pounds
Answer» C. 75 pounds
Discussion
9.

______ occur when the rate of oxygen transfer from the lagoon surface is less than the rate of oxygen consumption in the lower levels of the lagoon.

A. Temperature rise
B. Objectionable odour
C. Raised pH
D. Temperature fall
Answer» C. Raised pH
Discussion
10.

In facultative ponds, micro-organisms are able to oxidize only dissolved organics.

A. True
B. False
Answer» C.
Discussion
11.

The surface area of facultative ponds should be small.

A. True
B. False
Answer» C.
Discussion
12.

The facultative pond functions like a ________

A. Primary clarifier
B. Secondary clarifier
C. Aerator
D. Sedimentation unit
Answer» B. Secondary clarifier
Discussion