EXAMIANS
The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank)
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Which of the following pollutants is not emitted during volcanic eruptions?
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Most of the bacteria in sewage are
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Septic tank is a(i) Settling tank(ii) Digestion tank(iii) Aeration tank
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Noise pollution level in a chemical plant is expressed in
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Pollution by particulate matter emission in the atmosphere does not take place during metal
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Photochemical smog is formed from automobile exhaust
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The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water.
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A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it.
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Maximum permissible turbidity in potable water is __________ ppm.
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