Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 10000 to 100000 1000 to 2000 6000 to 9000 3000 to 6000 10000 to 100000 1000 to 2000 6000 to 9000 3000 to 6000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 2000 500 5 1000 2000 500 5 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 1000 5 10000 500 1000 5 10000 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of NO₂ & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO₂ causes Cancer Skin disorder Bronchitis Bone disease Cancer Skin disorder Bronchitis Bone disease ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is NO CO CO₂ Hydrocarbons NO CO CO₂ Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a weightless pollutant? Thermal pollution Noise pollution Radioactive rays SPM Thermal pollution Noise pollution Radioactive rays SPM ANSWER DOWNLOAD EXAMIANS APP
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