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Pollution, Climate and Conventions · Question 13 of 67

Question 13

MediumOriginal question

Thermal power plants fit electrostatic precipitators in their chimneys in order to

Options for question 13

Show the answer and explanation
CorrectNot quiteAnswer B

Correct answer: B

Explanation

  1. The smoke passes between charged plates or wires; the particles pick up a charge and stick to the oppositely charged plates.

  2. This removes most of the fly ash, but not gases such as carbon dioxide or sulphur dioxide.

Concept
Electrostatic precipitators
Typical time
60 s
Your time
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The rule this testsAir, water, soil and noise pollution
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