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 The overflow rate for plain sedimentation tanks is about 500 to 750 liters/hour/ m² 1250 to 1500 liters/hour/m² 1000 to 1250 liters/hour/ m² 1500 to 2000 liters/hour/m² 500 to 750 liters/hour/ m² 1250 to 1500 liters/hour/m² 1000 to 1250 liters/hour/ m² 1500 to 2000 liters/hour/m² ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be Partially separate system Partially combined system Separate system Combined system Partially separate system Partially combined system Separate system Combined system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which Contains pathogenic bacteria Consists of undesirable substances rendering it unfit for drinking and domestic use Is contaminated Is safe and suitable for drinking and domestic use Contains pathogenic bacteria Consists of undesirable substances rendering it unfit for drinking and domestic use Is contaminated Is safe and suitable for drinking and domestic use ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as Super chlorination Pre-chlorination De-chlorination Hypo-chlorination Super chlorination Pre-chlorination De-chlorination Hypo-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is None of these Greater than HMD when flowing full Less than HMD when flowing full Equal to HMD when flowing full None of these Greater than HMD when flowing full Less than HMD when flowing full Equal to HMD when flowing full ANSWER DOWNLOAD EXAMIANS APP