Environmental Engineering The detention period for oxidation ponds is usually kept as 48 hours 24 hours 10 to 15 days 3 months 48 hours 24 hours 10 to 15 days 3 months ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following unit works in anaerobic conditions? Activated sludge treatment Sedimentation tank Sludge digestion tank Trickling filters Activated sludge treatment Sedimentation tank Sludge digestion tank Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Steeper than 1 in 20 Zero Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Steeper than 1 in 20 Zero Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In a BOD test, 1.0 ml of raw sewage was diluted to 100 ml and the dissolved oxygen concentration of diluted sample at the beginning was 6 ppm and it was 4 ppm at the end of 5 day incubation at 20°C. The BOD of raw sewage will be 200 ppm 100 ppm 300 ppm 400 ppm 200 ppm 100 ppm 300 ppm 400 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Sluice valve Safety valve Scour valve Check valve Sluice valve Safety valve Scour valve Check valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called Main sewer House sewer Sub-main sewer Lateral sewer Main sewer House sewer Sub-main sewer Lateral sewer ANSWER DOWNLOAD EXAMIANS APP
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