Given below are two statements. In the light of the above statements, choose the most appropriate answer from the options given below.
Statement I:The screen chamber in wastewater treatment is used to remove small and heavy suspended solids.
Statement II:The grit chamber in wastewater treatment is used to remove large floating materials.
ABoth Statement I and Statement II are correct
BBoth Statement I and Statement II are incorrect ✓ Correct
CStatement I is correct but Statement II is incorrect
DStatement I is incorrect but Statement II is correct
Correct answer: (B) Both Statement I and Statement II are incorrect
Explanation
Both statements are false, as each misstates the role of the screen and grit chambers.
Statement 1 is wrong, since the screen chamber removes large floating materials, not small heavy solids.
Statement 2 is wrong, since the grit chamber removes heavy inorganic grit like sand, not floating materials.
Screening is the first stage, catching rags, sticks and debris.
The grit chamber then settles out sand, gravel and other dense particles.
These preliminary steps protect later treatment units from damage.
Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.
Practise on Mcqkart →🎓 Book an expert →