Sail E0 Webinar

MCQs

Total Questions : 103 | Page 1 of 11 pages
Question 1. What is the detention time considered while designing a primary sedimentation tank which is followed by an activated sludge treatment tank?
  1.    1 hr
  2.    1.5-2.5 hrs
  3.    3 hrs
  4.    3-4 hrs
 Discuss Question
Answer: Option B. -> 1.5-2.5 hrs
Answer: (b).1.5-2.5 hrs
Question 2. What is the range of width assumed while designing a rectangular tank?
  1.    1-3 m
  2.    3-24 m
  3.    24-48 m
  4.    48-60 m
 Discuss Question
Answer: Option B. -> 3-24 m
Answer: (b).3-24 m
Question 3. What is the weir loading rate assumed while designing a primary sedimentation tank which comes prior to a secondary settling tank?
  1.    125-500 m³/m.d
  2.    50-100 m³/m.d
  3.    25-50 m³/m.d
  4.    >500 m³/m.d
 Discuss Question
Answer: Option A. -> 125-500 m³/m.d
Answer: (a).125-500 m³/m.d
Question 4. While designing a rectangular primary sedimentation tank in what range the length should be assumed?
  1.    10-12m
  2.    15-90m
  3.    100-150m
  4.    150-200m
 Discuss Question
Answer: Option B. -> 15-90m
Answer: (b).15-90m
Question 5. What is the range of diameter assumed while designing a circular tank?
  1.    60-80m
  2.    3-60m
  3.    80-150m
  4.    150-300m
 Discuss Question
Answer: Option B. -> 3-60m
Answer: (b).3-60m
Question 6. What is the flight speed assumed while designing a circular tank?
  1.    0.01r/min
  2.    0.02-0.05 r/min
  3.    0.06 r/min
  4.    0.06-0.09 r/min
 Discuss Question
Answer: Option B. -> 0.02-0.05 r/min
Answer: (b).0.02-0.05 r/min
Question 7. What is the flight speed assumed while designing a rectangular tank?
  1.    0.1r/min
  2.    0.2-0.5 r/min
  3.    0.6-1.2 r/min
  4.    1.2-1.5 r/min
 Discuss Question
Answer: Option C. -> 0.6-1.2 r/min
Answer: (c).0.6-1.2 r/min
Question 8. The agglomeration of destabilized particles into large particles is called _________
  1.    Sedimentation
  2.    Coagulation
  3.    Flocculation
  4.    Disinfection
 Discuss Question
Answer: Option C. -> Flocculation
Answer: (c).Flocculation
Question 9. What is the first step in clarification?
  1.    Sedimentation
  2.    Coagulation
  3.    Flocculation
  4.    Screening
 Discuss Question
Answer: Option B. -> Coagulation
Answer: (b).Coagulation
Question 10. Clarification removes most of the turbidity.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

Latest Videos

Latest Test Papers