Question

Multiple Choice Questions
In coal fired power plant, electrostatic precifications are used to control emission of

• A. $S{O}_2$
• B. $SPM$
• C. $CO$
• D. $N{O}_X$

Answer 1

The correct option is B $SPM$

Electrostatic precipitators use the principle of electrically charging particles in an exhaust and then allowing them to settle on variably charged platforms. It is done primarily for control of SPM or suspended particulate matter such as dust, fumes, smoke etc.

So, the correct answer is option B, SPM.