In a coal-fired power plant, electrostatic precipitators are installed to control emission of from Biology Environmental Issues Class 12 Nagaland Board
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Class 10 Class 12

In a coal-fired power plant, electrostatic precipitators are installed to control emission of

  • SO2

  • NOX

  • SPM

  • CO


C.

SPM

Electrostatic precipitators are widely used in power plants and these remove the particulate matter.

Electrostatic precipitators are widely used in power plants and these remove the particulate matter.

394 Views

In the scrubber in the electrostatic precipitator the gases are passed through :
  • filter
  • lime
  • spray of water
  • both 2 and 3

D.

both 2 and 3
997 Views

What is the term for the inflammation of cornea due to high absorption of UV-B radiation :
  • myopia
  • snow blindness
  • biomagnification
  • None of the above

B.

snow blindness
695 Views

The meaning of BOD is :
  • Bacterial oxygen demand
  • Biological optimum density
  • Biochemical oxygen demand
  • Bioorganisation decay

C.

Biochemical oxygen demand
687 Views

Which of the following pollutants is not produced by exhaust of motor vehicles ?
  • CO
  • Hydrocarbon
  • Fly-ash
  • NO

C.

Fly-ash
711 Views

Ozone depletion will cause :
  • Forest fire
  • Pneumonia
  • Increased incidence of skin cancer
  • None of these

C.

Increased incidence of skin cancer
560 Views