alleryA thermal power plant removes over 99 percent of dust from its exhaust using an:
ASanitary landfill pit
BElectrostatic precipitator
CIndustrial incinerator
DCatalytic converter unit
Answer & Solution
Correct answer: B. Electrostatic precipitator
1. High-voltage wires give dust particles a negative charge.
2. Grounded plates then attract the charged dust.
3. This is the electrostatic precipitator.
_Source: syllabus Biology, Chapter 16, Environmental Issues._
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