How does an electrostatic precipitator work to remove particulate pollutants released from Thermal Plants.
Define the principal axis of a lens.
Prove that for spherical mirrors ,the product of the distances of the object and the image from the principal focus is always equal to the square of the principal focal length.
In thermal power stations, coal is burnt to produce steam for generation of electricity. The smoke produced is passed through electrostatic precipitators before allowing it to escape into the atmosphere. Answer the following question : Why is smoke passed through electrostatic precipitators in thermal power stations?
Define the terms: principal focus
How does the precipitation of colloidal smoke take place in Cottrell precipitator ?
the apparatus used to coagulate carbon particles from smoke is called : cottrel smoker, cottrell precipitator, cottell absorber, none of these.
