Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is 1.5 2 4 3 1.5 2 4 3 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 Citric acid Hydrochloric acid Sulphuric acid Nitric acid Citric acid Hydrochloric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design purposes, the normal rate of infiltration of ground water into the sewer, is 1000 litres/km/cm 2000 litres/km/cm 500 litres/km/cm 1500 litres/km/cm 1000 litres/km/cm 2000 litres/km/cm 500 litres/km/cm 1500 litres/km/cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of design discharge to the surface area of a sedimentation tank is called All of these Overflow rate Overflow velocity Surface loading All of these Overflow rate Overflow velocity Surface loading ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In olden days the type of section adopted in trunk and out fall sewers was Egg shaped Parabolic shaped Horse shoe shaped Circular shaped Egg shaped Parabolic shaped Horse shoe shaped Circular shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed None of these Perpendicular to the direction of flow Parallel to the direction of flow At an angle 30° to 60° to the direction of flow None of these Perpendicular to the direction of flow Parallel to the direction of flow At an angle 30° to 60° to the direction of flow ANSWER DOWNLOAD EXAMIANS APP
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