Environmental Engineering in CE Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes Nervous system disorder Anaemia All of these Blood poisoning Nervous system disorder Anaemia All of these Blood poisoning ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Relative stability Oxygen ion concentration Biological oxygen demand (BOD) Bacterial stability factor Relative stability Oxygen ion concentration Biological oxygen demand (BOD) Bacterial stability factor ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because Of jamming of respiratory tract It forms CO₂ by combining with oxygen present in the blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen Of clotting of blood Of jamming of respiratory tract It forms CO₂ by combining with oxygen present in the blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen Of clotting of blood ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 15 to 20 9 to 10 4 to 5 1 to 2 15 to 20 9 to 10 4 to 5 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal In sedimentation tanks equipped with mechanical scrapper In vacuum filter In clarifiers By chemical coagulation In sedimentation tanks equipped with mechanical scrapper In vacuum filter In clarifiers By chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Sodium aluminate Lime Alum (aluminium sulphate) Ferric chloride Sodium aluminate Lime Alum (aluminium sulphate) Ferric chloride ANSWER DOWNLOAD EXAMIANS APP