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.

The treatment options for an elevated total dissolved solid depends on _______

A. Quantity of water
B. Nature of ions
C. Nature of suspended solids
D. Type of microbes
Answer» C. Nature of suspended solids
2.

What is the secondary standard for TDS?

A. 400 mg/l
B. 500 mg/l
C. 600 mg/l
D. 700 mg/l
Answer» C. 600 mg/l
3.

The primary dissolved solids are assumed to be _________

A. KI
B. KCl
C. MnCl
D. AlCl
Answer» C. MnCl
4.

On which of the factors does the relationship between TDS and conductivity does not depend on?

A. Type of ions
B. Nature of ions
C. Nature of suspended solids
D. Type of microbes
Answer» E.
5.

What is the standard for TDS for aesthetic considerations?

A. 250 mg/l
B. 500 mg/l
C. 750 mg/l
D. 1000 mg/l
Answer» C. 750 mg/l
6.

What is the temperature required to remove occluded water?

A. 170˚C
B. 180˚C
C. 190˚C
D. 200˚C
Answer» C. 190˚C
7.

At what temperature is the filtrate dried in a TDS laboratory test?

A. 100˚C
B. 102˚C
C. 103˚C
D. 105˚C
Answer» D. 105˚C
8.

TDS decreases the efficiency of hot water heaters.

A. True
B. False
Answer» B. False
9.

_______ is used as an indicator test to determine the general quality of the water.

A. Oxidation test
B. Reduction test
C. Total dissolved solids test
D. Organic test
Answer» D. Organic test
10.

Total dissolved solids consist of cations only.

A. True
B. False
Answer» C.
11.

_______ is the universal solvent.

A. Organic solvents
B. Inorganic solvents
C. Water
D. Acid
Answer» D. Acid
12.

Cations with ______ increase corrosivity.

A. Bromide
B. Chloride
C. Iodide
D. Sulphide
Answer» C. Iodide