Explore topic-wise MCQs in Environmental Engineering.

This section includes 2 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.

Addition of KMnO4 to water imparts _____ color.

A. Blue
B. Red
C. Pink
D. White
Answer» D. White
Discussion
2.

The dose of KMnO4 required for disinfection of water is _______ ppm.

A. 1-2
B. 2-3
C. 3-4
D. 4-7
Answer» B. 2-3
Discussion