How does an electrostatic precipitator work?
- AIt uses filters to trap dust particles.
- BIt uses high-voltage electrodes to charge and collect dust particles.
- CIt uses water sprays to wash away pollutants.
- DIt uses chemical reactions to neutralize gases.
Explore More
Similar Questions
Consider the following statements about a scrubber:
$I.$ It is used to remove gases like sulphur dioxide from industrial exhaust.
$II.$ In a scrubber,the exhaust is passed through a spray of water or lime.
$III.$ Water dissolves gases and lime reacts with sulphur dioxide to form a precipitate of calcium sulphate or calcium sulphide.
Which of the statements given above are correct?
$I.$ It is used to remove gases like sulphur dioxide from industrial exhaust.
$II.$ In a scrubber,the exhaust is passed through a spray of water or lime.
$III.$ Water dissolves gases and lime reacts with sulphur dioxide to form a precipitate of calcium sulphate or calcium sulphide.
Which of the statements given above are correct?
Medium
View SolutionWhich of the following pollutants can be removed by a scrubber?
Easy
View SolutionThe atmosphere of large/metropolitan cities is primarily polluted by which of the following?
What initiatives were taken for reducing vehicular air pollution in Delhi? Has air quality improved in Delhi?
Medium
View SolutionThe device which can remove particulate matter present in the exhaust from a thermal power plant is:
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo