Smokestacks of thermal power plants, smelters and other industries release

(1) Particulate air pollutant

(2) Gaseous air pollutant

(3) Harmful gases

(4) All of these

Subtopic:  Air Pollution |
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The particulate matter in exhaust from industries can be removed by

(1) Electrostatic Precipitator

(2) Scrubber

(3) Both (1) and (2)

(4) Cannot be removed

Subtopic:  Air Pollution |
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Which of the following is not true about electrostatic precipator?

(1) It can remove over 99 per cent particulate matter present in the exhaust from a thermal power plant

(2) Electrode wires maintained at thousand volts, which produce a corona that release electrons

(3) The protons are attached to dust particle give them a net positive charge

(4) The collecting plates attract the dust particles

Subtopic:  Air Pollution |
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Scrubber

(1) Can remove only sulphur dioxide

(2) Can remove gases like sulphur dioxide

(3) Can remove harmless gases

(4) Mix harmless gases with gaseous pollutants

Subtopic:  Air Pollution |
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In scrubber, exhaust is passed through

(1) A spray of water/lime

(2) A spray of electrons

(3) A spray of other harmless gases

(4) All of these

Subtopic:  Air Pollution |
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CPCB stands for

(1) Control Pollution Central Board

(2) Central Population Control Board

(3) Central Pollution Control Board

(4) Control Population Central Board

Subtopic:  Air Pollution |
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The particulate matter cannot cause

(1) Breathing respiratory symptoms

(2) Irritation, premature death

(3) Inflammation and damage to the lungs

(4) Gastric ulcer and Rhinitis

Subtopic:  Air Pollution |
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In metro cities, which of the following is the major cause of atmospheric Pollution?

(1) Automobiles

(2) Population

(3) Industries

(4) All of these

Subtopic:  Air Pollution |
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To stop, automobile based environmental pollution, which of the following is not going to be a helpful measure?

(1) Proper maintenance of automobile

(2) Use of lead free petrol or diesel

(3) Catalytic Converters

(4) Scrubber

Subtopic:  Air Pollution |
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Catalytic converter does

(1) Unburnt Hydrocarbons are converted into carbon dioxide and water

(2) CO is converted into Carbon dioxide

(3) Nitric oxide is converted into Nitrogen gas

(4) All of these

Subtopic:  Air Pollution |
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