Environmental Engineering in CE Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes Anaemia All of these Blood poisoning Nervous system disorder Anaemia All of these Blood poisoning Nervous system disorder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Alkalinity Acidity Iron & zinc Hardness Alkalinity Acidity Iron & zinc Hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust All of these Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma All of these Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Separation None of these Aerobic decomposition Anaerobic decomposition Separation None of these Aerobic decomposition Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Alum (aluminium sulphate) Ferric chloride Sodium aluminate Lime Alum (aluminium sulphate) Ferric chloride Sodium aluminate Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream? Sedimentation tank Chemical coagulation Mechanical flocculation Circular clarifier Sedimentation tank Chemical coagulation Mechanical flocculation Circular clarifier ANSWER DOWNLOAD EXAMIANS APP
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