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Total Questions : 181 | Page 1 of 19 pages
Question 1. Which of the following represents the coagulant pipe in the following figure?Which Of The Following Represents The Coagulant Pipe In The ...
  1.    A
  2.    B
  3.    C
  4.    D
 Discuss Question
Answer: Option A. -> A
Answer: (a).A
Question 2. Which of the following represents the device which is used for sludge removal in the following figure?Which Of The Following Represents The Device Which Is Used F...
  1.    F
  2.    E
  3.    D
  4.    B
 Discuss Question
Answer: Option C. -> D
Answer: (c).D
Question 3. _________ is the average of velocities at a point over a definite period of time._________ Is The Average Of Velocities At A Point Over A Def...
  1.    Mean velocity
  2.    Relative velocity
  3.    Velocity gradient
  4.    Temporal mean velocity
 Discuss Question
Answer: Option D. -> Temporal mean velocity
Answer: (d).Temporal mean velocity
Question 4. Which of the following goes to the flocculation tank in the following figure?Which Of The Following Goes To The Flocculation Tank In The ...
  1.    B
  2.    C
  3.    E
  4.    F
 Discuss Question
Answer: Option B. -> C
Answer: (b).C
Question 5. Which of the following is the correct expression regarding temporal mean velocity in the following figure?Which Of The Following Is The Correct Expression Regarding T...
  1.    G = (P/μV)½
  2.    G = (P/μV)
  3.    G = (P/μV)²
  4.    G = (Pμ/V)½
 Discuss Question
Answer: Option A. -> G = (P/μV)½
Answer: (a).G = (P/μV)½
Question 6. In which type of filter, rate of filtration is low?
  1.    Slow sand filter
  2.    Rapid sand filter
  3.    Gravity filter
  4.    Pressure filter
 Discuss Question
Answer: Option A. -> Slow sand filter
Answer: (a).Slow sand filter
Question 7. In the ________ zone of purification in filter media, bacteria oxidizes the organic matter completely.
  1.    Autotrophic
  2.    Heterotrophic
  3.    Schmutzdecke
  4.    Electrolytic
 Discuss Question
Answer: Option B. -> Heterotrophic
Answer: (b).Heterotrophic
Question 8. Identify the correct statement from the following options.
  1.    Rapid sand filter has a high initial cost
  2.    Coagulation is essential in slow sand filter
  3.    Slow sand filter requires skilled supervision
  4.    Period of cleaning of Rapid sand filter is 1-2 days
 Discuss Question
Answer: Option D. -> Period of cleaning of Rapid sand filter is 1-2 days
Answer: (d).Period of cleaning of Rapid sand filter is 1-2 days
Question 9. The filtration rate of a slow sand filter is _____ litres of water per square metre.
  1.    20
  2.    30
  3.    50
  4.    100
 Discuss Question
Answer: Option D. -> 100
Answer: (d).100
Question 10. What is the color of the surface coating formed during the filtration process?
  1.    White
  2.    Brown
  3.    Green
  4.    Reddish brown
 Discuss Question
Answer: Option D. -> Reddish brown
Answer: (d).Reddish brown

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