Environmental Engineering Disinfection efficiency is Unaffected by pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Increased at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Increased at higher pH value of water 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) B 8B 2B 4B B 8B 2B 4B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of BOD exerted at any time is Inversely proportional to BOD satisfied Directly proportional to BOD satisfied Inversely proportional to BOD remaining Directly proportional to BOD remaining Inversely proportional to BOD satisfied Directly proportional to BOD satisfied Inversely proportional to BOD remaining Directly proportional to BOD remaining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process of lagooning is primarily a means of Reducing the excessive flow in sewers Disposing of sludge Increasing flow of sewage through imhoff tanks Increasing the capacity of storage reservoirs Reducing the excessive flow in sewers Disposing of sludge Increasing flow of sewage through imhoff tanks Increasing the capacity of storage reservoirs ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Provides self cleansing velocity at low discharges Is more stable than circular section Is economical than circular section Is easy to construct Provides self cleansing velocity at low discharges Is more stable than circular section Is economical than circular section Is easy to construct ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The working conditions in imhoff tanks are Aerobic only 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 ANSWER DOWNLOAD EXAMIANS APP
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