Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 500 100 250 5 500 100 250 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Very extremely Moderately Extremely Highly Very extremely Moderately Extremely Highly ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 90-120 5-10 1-2 1500-2500 90-120 5-10 1-2 1500-2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 16 to 20 2 to 4 24 to 32 8 to 12 16 to 20 2 to 4 24 to 32 8 to 12 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not an air pollutant? Carcinogens Metallic powders Ozone Pesticides Carcinogens Metallic powders Ozone Pesticides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Pneumoconiosis' is a disease caused by the inhalation of __________ dust. Lime Coal Iron ore Uranium ore Lime Coal Iron ore Uranium ore ANSWER DOWNLOAD EXAMIANS APP
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