Explore topic-wise MCQs in Environmental Engineering.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

In which type of sedimentation, the flocculent suspension of high concentration takes place?

A. Type I sedimentation
B. Type II sedimentation
C. Type III sedimentation
D. Type IV sedimentation
Answer» E.
Discussion
2.

How many types of sedimentation tanks are there on the basis of the method of operation?

A. 2
B. 3
C. 4
D. 5
Answer» B. 3
Discussion
3.

In a fill and draw type sedimentation tank, a detention period of ____ hours is provided?

A. 6
B. 12
C. 18
D. 24
Answer» E.
Discussion
4.

The time period for which the water is stored in a sedimentation tank is called _____

A. Time of flow
B. Frequency of flow
C. Settling time
D. Detention period
Answer» E.
Discussion
5.

In a rectangular horizontal flow tank, the maximum permissible velocity is ____ m/Sec.

A. 3
B. 0.3
C. 0.03
D. 0.003
Answer» C. 0.03
Discussion
6.

What is the settling velocity of the particle in the wastewater if its diameter is 2 * 10-3cm. Given G=2.65, viscosity v=8 * 10-3cm2/Sec?

A. 0.01cm/Sec
B. 0.13cm/Sec
C. 0.24cm/Sec
D. 0.36cm/Sec
Answer» C. 0.24cm/Sec
Discussion
7.

When the impurities are separated by the gravitation of settling particles, the operation is called ______

A. Sedimentation with coagulant
B. Plain sedimentation
C. Secondary sedimentation
D. Disinfection
Answer» C. Secondary sedimentation
Discussion
8.

In which type of sedimentation, the flocculent suspension of the intermediate concentration takes place?

A. Type I sedimentation
B. Type II sedimentation
C. Type III sedimentation
D. Type IV sedimentation
Answer» D. Type IV sedimentation
Discussion
9.

How many types of sedimentation tanks are there on the basis of method of operation?

A. 2
B. 3
C. 4
D. 5
Answer» B. 3
Discussion