Explore topic-wise MCQs in Environmental Engineering.

This section includes 5 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 dosage of ozone for municipal water treatment is __________

A. 0.5 ppm
B. 1ppm
C. 1.5 ppm
D. 2ppm
Answer» D. 2ppm
2.

Iodine is a better disinfectant to kill virus than hypoiodous acid.

A. True
B. False
Answer» C.
3.

a HIO + b OH- <=> HIO3 + b H2O + b I . What are the values of a and b respectively in the above equation?

A. 1, 2
B. 1, 3
C. 3, 2
D. 3, 1
Answer» D. 3, 1
4.

The chemical formula of iodate is __________

A. HIO<sub>3</sub>
B. HIO
C. HIO<sub>2</sub>
D. H<sub>2</sub>IO<sub>2</sub>
Answer» B. HIO
5.

The chemical formula of hypoiodous acid is __________

A. H<sub>2</sub>IO
B. H<sub>2</sub>I
C. HIO
D. HI<sub>2</sub>
Answer» D. HI<sub>2</sub>