Environmental Engineering Which of the following retards the self purification of stream? None of these Satisfying oxygen demand Sunlight Higher temperature None of these Satisfying oxygen demand Sunlight Higher temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Laying of sewers is usually done with the help of A compass Sight rails and boning rods A Theodolite A plane table A compass Sight rails and boning rods A Theodolite A plane table ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Composting and lagooning are the methods of Sludge digestion Filtration Sedimentation Sludge disposal Sludge digestion Filtration Sedimentation Sludge disposal ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.01 to 0.05 ppm 0.5 to 1.0 ppm 1.0 to 5.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm 0.5 to 1.0 ppm 1.0 to 5.0 ppm 0.05 to 0.5 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria Decreases Remains unaffected None of these Increases Decreases Remains unaffected None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The overflow rate for plain sedimentation tanks is about 1250 to 1500 liters/hour/m² 1500 to 2000 liters/hour/m² 1000 to 1250 liters/hour/ m² 500 to 750 liters/hour/ m² 1250 to 1500 liters/hour/m² 1500 to 2000 liters/hour/m² 1000 to 1250 liters/hour/ m² 500 to 750 liters/hour/ m² ANSWER DOWNLOAD EXAMIANS APP
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