Biological Oxidation Process MCQ

Test your knowledge with important Biological Oxidation Process MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Biological Oxidation Process MCQs on Bissoy. Bissoy App

• How many methods of removing the radio active impurities are there?
  ক

  2

  খ

  3

  গ

  3

  ঘ

  4
• The treatment of water with _________ improves the taste of water.
  ক

  Oxygen

  খ

  Chlorine

  গ

  KMnO4

  ঘ

  Ozone
• Reacting the water with _________ removes the odour due to the phenols.
  ক

  KMnO4

  খ

  MnO4

  গ

  Potassium

  ঘ

  Magnesium
• __________ imparts peculiar odour to the water.
  ক

  Decaying organic matter

  খ

  Detergents

  গ

  Phenols

  ঘ

  Dissolved oxygen
• The unpleasant odour of the water is due to presence of the __________
  ক

  Nitrogen

  খ

  Bismuth

  গ

  Phenols

  ঘ

  Dissolved oxygen
• Dried sludge can be used as _________
  ক

  Fertilizer

  খ

  Pesticide

  গ

  Reagent

  ঘ

  Medicine
• In the trickling filter process, the _________ build up and they block the passage.
  ক

  Sludge formed

  খ

  Dissolved impurities

  গ

  Dissolved solids

  ঘ

  Micro organisms
• Periodic cleaning is used to _________
  ক

  Increase efficiency

  খ

  Decrease efficiency

  গ

  Increase pressure

  ঘ

  Decrease dissolved oxygen
• The depth of the rectangular circular tanks in the trickling filters method is having the depth of ____________
  ক

  4m

  খ

  3m

  গ

  2m

  ঘ

  1m
• Trickling filter method is ___________ than the activated sludge process.
  ক

  Fast

  খ

  Slow

  গ

  Very fast

  ঘ

  Moderate
• The water after removing of sludge in the biological oxidation process is treated with ____________
  ক

  Chlorine

  খ

  Bromine

  গ

  Fluorine

  ঘ

  Iodine
• All impurities are oxidised into the _________ and ___________ in the biological oxidation process.
  ক

  Oxygen and water

  খ

  Carbondioxide and water

  গ

  Nitrogen and water

  ঘ

  Chlorine an water
• In biological oxidation process, depending on the organic load, the oxidation takes place ___________
  ক

  1-4Hours

  খ

  4-8Hours

  গ

  8-16Hours

  ঘ

  16-20Hours