Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Hydrogen sulphide Methane Carbon dioxide Oxygen Hydrogen sulphide Methane Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The clarigesters are Rectangular septic tanks Circular Imhoff double tanks with bottom hoppers Circular Imhoff double storey tanks without bottom hoppers Circular septic tanks Rectangular septic tanks Circular Imhoff double tanks with bottom hoppers Circular Imhoff double storey tanks without bottom hoppers Circular septic tanks ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 1000 kg of sewage contains 0.112 kg in suspension Both A and C of above 0.225 kg in solution 0.112 kg in solution 0.112 kg in suspension Both A and C of above 0.225 kg in solution 0.112 kg in solution ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Nitric acid Hydrochloric acid Sulphuric acid Citric acid Nitric acid Hydrochloric acid Sulphuric acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers Must flow under gravity ½ to ¾ full Must be laid at least 2 to 3 m deep to collect /water from the basements Must be of adequate size to avoid over flow All listed here Must flow under gravity ½ to ¾ full Must be laid at least 2 to 3 m deep to collect /water from the basements Must be of adequate size to avoid over flow All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of sewage is determined with the help of None of these Potentiometer Imhoff Cone Turbid meter None of these Potentiometer Imhoff Cone Turbid meter ANSWER DOWNLOAD EXAMIANS APP
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