EXAMIANS
Reingleman chart is used for the evaluation of __________ pollution.
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Which of the following plants does not emit appreciable amount of SO₂ in atmosphere?
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Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters?
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Which of the following is an adsorbant for removal of nitrogen oxides from gas/air?
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Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels.
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Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)?
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From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm.
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The function of skimming tank in sewage treatment is to remove __________ substances.
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Fresh sewage is __________ in nature.
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The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is
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