Q. No.According to Euro-III norms, sulphur should be controlled at ______ in diesel and _____ in petrol
1. 350 ppm; 50 ppm
2. 50 ppm; 150 ppm
3. 50 ppm; 50 ppm
4. 350 ppm; 150 ppm
1. 350 ppm; 50 ppm
2. 50 ppm; 150 ppm
3. 50 ppm; 50 ppm
4. 350 ppm; 150 ppm
Pollution:
1. Any undesirable change in physical characteristics of air, land water and soil
2. Any undesirable change in biological characteristics of air, land water and soil
3. Any undesirable change in physical, chemical and biological characteristics of air, land water and soil
4. Any undesirable change in physical and chemical characteristics of air, land water and soil
Agents that bring undesirable change in biological, physical and chemical environment is called
(1) Pollutant
(2) Bioparcy
(3) Bioinformatics
(4) Biomagnification
The act to control environmental pollution is passed by Government of India is
(1) Environment Pollution Act-1981
(2) Environment Pollution Act-1986
(3) Environment Protection Act-1986
(4) Environment Protection Act-1981
Environment Protection Act protects and improves the quality of
(1) Air
(2) Water
(3) Soil
(4) All of these
Harmful effects of Air pollutants depend upon
(1) Organism exposed
(2) Duration of exposure
(3) Concentration of pollutants
(4) All of these
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
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
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
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
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