<prompt> The electrostatic precipitator are used in the prevention of-Radiation risksAir pollution emissionsMosquito nuisanceDiffuse vibrations  <response>: Ans. is b i.e., Air pollution emissions Dcv ices commonly used as air pollution control device :? Mechanical collector dust cylones, Multicylones Electostatic precipitators Baghouses Paiculate scrubbers. 