Ozonators MCQ

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

• In what range is the EE/O present in order to reduce one log of reduction?
  ক

  0-20 KWH

  খ

  20-265 KWH

  গ

  265-365 KWH

  ঘ

  365-650 KWH
• What are the byproducts of the breakdown of the organic compounds by UV rays?
  ক

  CO

  খ

  CO2 + H2O

  গ

  H2CO3 and water

  ঘ

  CO + H2O
• How is the electrical requirement for the ozonation process expressed mathematically?
  ক

  EE/O =EEt/ Vlog(Ci-Cf)

  খ

  EE/O =EEt/ (Ci-Cf)

  গ

  EE/O =EEt Vlog(Ci-Cf)

  ঘ

  EE/O =EEt(Ci-Cf)
• Photo catalysis uses which of the following methods to produce free radicals?
  ক

  UV rays

  খ

  UV + TiO2

  গ

  Ozone + UV

  ঘ

  TiO2
• At what pH ozonation is carried out?
  ক

  8

  খ

  9

  গ

  11

  ঘ

  7
• In which year was the ozone named?
  ক

  1829

  খ

  1839

  গ

  1849

  ঘ

  1859
• In which year was the structure of ozone determined?
  ক

  1865

  খ

  1875

  গ

  1885

  ঘ

  1895
• Ozone is formed by the interaction of _______
  ক

  UV or O2

  খ

  O and O2

  গ

  O and UV

  ঘ

  O2 and CO
• What is the colour of ozone?
  ক

  Violet

  খ

  White

  গ

  Grey

  ঘ

  Colourless
• Which of the following is not correct regarding Ozonation?
  ক

  Does not requires chemicals

  খ

  Eliminates bad taste

  গ

  Eliminates odour

  ঘ

  Operational costs are low
• What is the average ozone concentration created during Ozonation?
  ক

  1000 mg/l

  খ

  5000 mg/l

  গ

  10000 mg/l

  ঘ

  15000 mg/l
• What is the maximum time required for ozone degradation?
  ক

  15 minutes

  খ

  30 minutes

  গ

  45 minutes

  ঘ

  60 minutes
• Which of the following is not removed by Ozonation?
  ক

  Iron

  খ

  Manganese

  গ

  Magnesium

  ঘ

  Bacteria
• Which of the following is not a disadvantage of Ozonation?
  ক

  Chemicals

  খ

  Costs

  গ

  Energy

  ঘ

  Fire hazard
• Which of these is not an advantage of Ozonation?
  ক

  Reaction with bacteria

  খ

  Organics degradation

  গ

  Equipment costs

  ঘ

  Chemicals
• Ozone is an unstable gas.
  ক

  True

  খ

  False
• Which of the following can be inactivated using ozone?
  ক

  Algae

  খ

  Fungi

  গ

  Protozoa

  ঘ

  All microbes
• _______ is produced by subjecting oxygen to high electric voltage.
  ক

  Carbon-monoxide

  খ

  Carbon-dioxide

  গ

  Pure oxygen

  ঘ

  Ozone
• Ozone is one of the powerful oxidants.
  ক

  True

  খ

  False
• How many oxygen atoms are present in the ozone?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4