Explore topic-wise MCQs in Waste Water Engineering.

This section includes 13 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.

What is the permeate flux of the RO membrane FT-30?

A. 0.5
B. 0.8
C. 1
D. 1.2
Answer» D. 1.2
2.

Which among the following has the highest percentage of salt rejection?

A. NS-100
B. NS-200
C. NS-300
D. CP
Answer» C. NS-300
3.

What is the percentage of salt rejection of NS-100 RO membrane?

A. 99.8%
B. 99 %
C. 98.5 %
D. 97 %
Answer» C. 98.5 %
4.

What is the material used in the making of BARC-TFC2 membrane?

A. Aromatic polyamide
B. Polyamide
C. Sulphonated polyfuran
D. Sulphonated polysulphone
Answer» C. Sulphonated polyfuran
5.

What is the material used in the making of NS-200 membrane?

A. Sulphonated polyfuran
B. Sulphonated polysulphone
C. Polypiperazine-amide
D. Aromatic polyamide
Answer» B. Sulphonated polysulphone
6.

What is the pore size of MFI-type zeolite nanoparticle?

A. 0.32 nm
B. 0.48 nm
C. 0.56 nm
D. 0.62 nm
Answer» D. 0.62 nm
7.

What is the pore size of LTA-type zeolite nanoparticle?

A. 0.2 nm
B. 0.4 nm
C. 0.6 nm
D. 0.8 nm
Answer» C. 0.6 nm
8.

Which of the following materials is not used in the preparation of nanocomposite support membranes?

A. Silica (50 nm)
B. Zeolite (250 nm)
C. Silica (120 nm)
D. Zinc (135 nm)
Answer» E.
9.

The chlorine resistant polyamide membranes are prepared from aliphatic polypiperazine amides.

A. True
B. False
Answer» B. False
10.

Which of the following membrane is used in the osmosis process?

A. Impermeable membrane
B. Semi-permeable membrane
C. Permeable membrane
D. Non-porous membrane
Answer» C. Permeable membrane
11.

In RO, the solvent passes through the membrane at a much faster rate than the dissolved solids.

A. True
B. False
Answer» B. False
12.

What is the membrane that selectively allows certain species to pass through called?

A. Permeable membrane
B. Semi-permeable membrane
C. Impermeable membrane
D. Membrane
Answer» C. Impermeable membrane
13.

Where did the research on reverse osmosis begin?

A. University of Bangalore
B. University of Florida
C. University of Columbia
D. University of California
Answer» C. University of Columbia