Explore topic-wise MCQs in Environmental Engineering.

This section includes 12 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.

The recirculation ratio for the low rate trickling filter is ___________

A. 1
B. 2
C. 3
D. 0
Answer» E.
Discussion
2.

The maximum size of filter media of a percolating filter is ___________

A. 10mm
B. 25mm
C. 60mm
D. 75mm
Answer» E.
Discussion
3.

The depth of the filter media of intermittent filter is ___________

A. 45cm
B. 60cm
C. 20cm
D. 25cm
Answer» C. 20cm
Discussion
4.

The filter material used in contact bed is ___________

A. Sand
B. Stone ballast
C. Gravel
D. Fine sand
Answer» C. Gravel
Discussion
5.

The intermittent sand filters have better BOD removal efficiency than trickling filters.

A. True
B. False
Answer» C.
Discussion
6.

The recirculation ratio for the low rate trickling filter i?

A. 1
B. 2
C. 3
D. 0
Answer» E.
Discussion
7.

The maximum size of filter media of a percolating filter is

A. 10mm
B. 25mm
C. 60mm
D. 75mm
Answer» E.
Discussion
8.

Which of the following filter is used in anaerobic treatment of sewage?

A. Intermittent sand
B. Trickling filter
C. Contact filter
D. Biological filter
Answer» E.
Discussion
9.

The depth of the filter media of intermittent filter is

A. 45cm
B. 60cm
C. 20cm
D. 25cm
Answer» C. 20cm
Discussion
10.

How many types of trickling filters are used in sewage treatment?

A. 6
B. 5
C. 3
D. 2
Answer» E.
Discussion
11.

Which of the following is called as contact bed?

A. Primary clarifier
B. Secondary clarifier
C. Contact filter
D. High rate digester
Answer» D. High rate digester
Discussion
12.

The filter material used in contact bed is

A. Sand
B. Stone ballast
C. Gravel
D. Fine sand
Answer» C. Gravel
Discussion