Environmental Engineering The working conditions in imhoff tanks are anaerobic in lower compartment and aerobic in upper compartment Anaerobic only Aerobic in lower compartment and anaerobic in upper compartment Aerobic only anaerobic in lower compartment and aerobic in upper compartment Anaerobic only Aerobic in lower compartment and anaerobic in upper compartment Aerobic only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 10 - 12 days 2 - 3 months 24 - 48 hours 1 - 2 year 10 - 12 days 2 - 3 months 24 - 48 hours 1 - 2 year ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 50 to 150 150 to 350 350 to 500 0 to 50 50 to 150 150 to 350 350 to 500 0 to 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) 8B 4B 2B B 8B 4B 2B B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Drop manhole Catch basin Inlet Manhole Drop manhole Catch basin Inlet Manhole ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are designed for Maximum and minimum flow Maximum flow only Average flow only Minimum flow only Maximum and minimum flow Maximum flow only Average flow only Minimum flow only ANSWER DOWNLOAD EXAMIANS APP