Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 95 105 35 75 95 105 35 75 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of Gaseous fuel in the furnace Very high excess air Liquid fuel in the furnace Low excess air Gaseous fuel in the furnace Very high excess air Liquid fuel in the furnace Low excess air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 1 8 4 12 1 8 4 12 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Clarifier Oxidation ponds Sedimentation tanks Sludge digester Clarifier Oxidation ponds Sedimentation tanks Sludge digester ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust causes a disease called Silicosis Pneumoconiosis None of these Bronchitis Silicosis Pneumoconiosis None of these Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water effluent generated in printing industry is decolourised by Ion exchange technique Electrolytic decomposition Adsorption Reverse osmosis Ion exchange technique Electrolytic decomposition Adsorption Reverse osmosis ANSWER DOWNLOAD EXAMIANS APP
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