The upper region of the trickling filter is favorable for the growth of _____________
A) fungi
B) protozoa
C) algae
D) bacteria
Correct Answer:
Verified
Q10: What is the objective of water quality
Q11: The impact of pollution depends upon nature
Q12: Which of the following sewerage systems carry
Q13: Which of the following is a strict
Q14: In which of the following treatment involve
Q16: Activated sludge usually employs an aeration period
Q17: Trickling filter is used in which of
Q18: Belt filter presses are used in which
Q19: Which of the following gases are produced
Q20: Biological process is used to remove _
A)Settleable
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