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प्रश्न
What purpose does an electrostatic precipitator serve?
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उत्तर
It is a device which removes unwanted chemicals from smoke after combustion takes place. The negatively charged dust particles are drawn towards the positively charged particle's collector surface and, by knocking the plates, particles fall into a hopper tray for disposal.
संबंधित प्रश्न
Name any two gases emitted by vehicular emissions.
What is a ‘No Smoking Zone’?
What are Fossil Fuels?
What is organic farming?
With reference to smoking, answer the following :
How does smoking harm passive smokers?
With reference to smoking, answer the following:
State any three advantages of having a ‘No Smoking Zone’.
With reference to Organic Farming state the following :
Importance of Organic Farming.
What is a scrubber? With the help of a diagram show its working?
Briefly state the procedure of treating waste water by primary and secondary treatment. What happens in the tertiary treatment of waste water?
“Better safe than sorry” is the guiding principle for control of Nuclear pollution. In this context answer the following :
What should one do to protect oneself from radiation contamination?
