Wastewater Grade 3 T/F #1 Exam Questions with Verified Answers| Latest Update Graded A+
pH determinations can be made on grab samples if proper precautions for sample preserving
are practiced. False
Inorganic activated sludge microorganisms require oxygen for growth. False
Activated sludge basin flow is normally to the secondary clarifier. True
Loss of floating solids, grease and scum can be reduced by placing baffles in front of outlet
weirs. True
Aerobic conditions are required to produce sulfide odors. False
The influent suspended solids and volume can be used to estimate the sludge amount to be
pumped from a primary clarifier. True
Wastewater treatment plant discharge impact on receiving waters can be determined from
such measurements as D.O. True
Wastewater characteristics are often determined with flow proportional samples because of
continually changing flow characteristics. True
A Venturi Tube is a type of static mixer for chemical addition and conditioning True
Identify possible option(s) to rectify an anaerobic digester that has gone "sour". Sodium
Carbonate
A Oxidation Reduction Potential probe is useful for which of the following: Prevents over-
feeding of disinfectant chemicals
pH determinations can be made on grab samples if proper precautions for sample preserving
are practiced. False
Inorganic activated sludge microorganisms require oxygen for growth. False
Activated sludge basin flow is normally to the secondary clarifier. True
Loss of floating solids, grease and scum can be reduced by placing baffles in front of outlet
weirs. True
Aerobic conditions are required to produce sulfide odors. False
The influent suspended solids and volume can be used to estimate the sludge amount to be
pumped from a primary clarifier. True
Wastewater treatment plant discharge impact on receiving waters can be determined from
such measurements as D.O. True
Wastewater characteristics are often determined with flow proportional samples because of
continually changing flow characteristics. True
A Venturi Tube is a type of static mixer for chemical addition and conditioning True
Identify possible option(s) to rectify an anaerobic digester that has gone "sour". Sodium
Carbonate
A Oxidation Reduction Potential probe is useful for which of the following: Prevents over-
feeding of disinfectant chemicals
