Environmental Engineering The velocity of flow of water in a sedimentation tank is about 15 to 30 cm/sec 5 to 10 cm/sec 15 to 30 cm/minute 15 to 30 cm/hour 15 to 30 cm/sec 5 to 10 cm/sec 15 to 30 cm/minute 15 to 30 cm/hour ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally More and less More and more Less and less Less and more More and less More and more Less and less Less and more ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Settling velocity increases with Depth of tank Specific gravity of solid particles Size of particles Temperature of liquid Depth of tank Specific gravity of solid particles Size of particles Temperature of liquid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Most suitable section of sewer in separate sewage system is Standard form of egg shaped sewer Rectangular section Circular section Modified egg shaped section Standard form of egg shaped sewer Rectangular section Circular section Modified egg shaped section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is designed for Minimum flow only Maximum and minimum flow Maximum flow only Average flow only Minimum flow only Maximum and minimum flow Maximum flow only Average flow only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 1 ppm 40 ppm 10 ppm 4 ppm 1 ppm 40 ppm 10 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP
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