Chemical Engineering :: Environmental Engineering
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In the context of the chemical process industries, the term BOD is normally associated with the
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Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels.
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Inhalation of silica dust causes a disease called
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Solid content in most of the domestic sewage is about __________ percent.
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In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)
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High noise level in a chemical plant can be controlled by the
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Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases.
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Main pollutants released from petroleum refineries is
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Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels.
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Which of the following is a green house gas other than CO2 ?
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