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MCQs

Total Questions : 56 | Page 1 of 6 pages
Question 1. Reactors that run without heating of wastewater, are usually used.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 2. Which of the following industries doesn’t use alcohol in their respective industries?
  1.    Sugar Industry
  2.    Vinegar production
  3.    Pharmaceutical
  4.    Cosmetic Industry
 Discuss Question
Answer: Option A. -> Sugar Industry
Answer: (a).Sugar Industry
Question 3. Spirits are diluted alcohol.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 4. Sugar containing agricultural products produce alcohol with the help of ___________
  1.    spring source
  2.    distilleries
  3.    ocean
  4.    rivers
 Discuss Question
Answer: Option B. -> distilleries
Answer: (b).distilleries
Question 5. _____________ is added to the spirits to enhance it.
  1.    flavor additives
  2.    acid
  3.    alcohol
  4.    water
 Discuss Question
Answer: Option A. -> flavor additives
Answer: (a).flavor additives
Question 6. Which of the following biological method shouldn’t be used for BOD load reduction?
  1.    Oxidation ponds
  2.    Activated sludge system
  3.    Anaerobic biological method
  4.    Chemical precipitation
 Discuss Question
Answer: Option D. -> Chemical precipitation
Answer: (d).Chemical precipitation
Question 7. Wastewater Stabilization Ponds are treated by natural occurring processes.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 8. Which of the activated sludge system types is not used in slaughter house wastewater treatment?
  1.    Cascade
  2.    Single
  3.    Two stage
  4.    Parallel
 Discuss Question
Answer: Option D. -> Parallel
Answer: (d).Parallel
Question 9. The treatment of wastewater by the interaction of sunlight, bacteria, and algae using large, shallow ponds are called as ______
  1.    Oxidation ponds
  2.    Deoxygenation pond
  3.    Anaerobic ponds
  4.    Algal pond
 Discuss Question
Answer: Option A. -> Oxidation ponds
Answer: (a).Oxidation ponds
Question 10. Which of the following uses long solids retention times to remove biodegradable organic wastes?
  1.    Oxidation ditch
  2.    Pond sludge
  3.    Activated sludge system
  4.    Maturation pond
 Discuss Question
Answer: Option A. -> Oxidation ditch
Answer: (a).Oxidation ditch

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