Environmental Engineering in CE Lagooning process is mainly a means of the Sludge disposal Reduction of excessive flow in sewers Biological treatment of wastes None of these Sludge disposal Reduction of excessive flow in sewers Biological treatment of wastes None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. Presumptive EDTA Electometric Total count Presumptive EDTA Electometric Total count ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Simple filtration Chlorination only Oxidation followed by settling & filtration Chemical coagulation Simple filtration Chlorination only Oxidation followed by settling & filtration Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of solid wastes Characterisation of boiler feed water Organic concentration in gaseous effluents Characterisation of liquid effluents Characterisation of solid wastes Characterisation of boiler feed water Organic concentration in gaseous effluents Characterisation of liquid effluents 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? Circular clarifier Sedimentation tank Mechanical flocculation Chemical coagulation Circular clarifier Sedimentation tank Mechanical flocculation Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 60 20 120 90 60 20 120 90 ANSWER DOWNLOAD EXAMIANS APP
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