CHAPTER 1 REVIEW QUESTIONS AND CORRECT
VERIFIED ANSWERS A+
What is the first clarifier that wastewater flows into called? - correct answers-Primary clarifier
What recovery and recycling processes are typical at wastewater treatment plants? - correct answers-
Recovering nutrients, generating energy, and creating biosolids
Where does effluent flow from? - correct answers-Reservoirs, basins, treatment processes, and
wastewater treatment plants
Who are receiving water quality standards and waste discharge requirements designed to protect? -
correct answers-Water users downstream from wastewater treatment plants
What kind of reuse stores treated water in surface or groundwater storage before being delivered to a
drinking water treatment plant? - correct answers-Indirect potable reuse
What environment do anaerobic bacteria live and reproduce in? - correct answers-An environment with
no free or dissolved oxygen
What is pH? - correct answers-An expression of the intensity of the basic or acidic condition of a liquid
What mechanism produces hydrogen sulfide? - correct answers-Anaerobic bacteria remove the oxygen
from sulfur compounds
What does a settleometer measure? - correct answers-Settleable solids
Which NPDES permit program describes the effluent limitations that are protective of the water quality
standards of the receiving water? - correct answers-Water Quality Based Permitting
What information about samples is specified in NPDES permits? - correct answers-Frequency of
collection and methods of reporting results
Facilities for handling wastewater are usually considered to have three major components or parts: -
correct answers-Collection, Treatment, and Reuse (or Discharge)
Which type of sewer system collects only runoff from streets, land, and roofs of buildings? - correct
answers-Stormwater collection system
What is the purpose of sewer-use ordinances and pretreatment discharge limitation programs? - correct
answers-To control the discharge of excessive flows and harmful industrial pollutants into the
wastewater collection system
Where do many operators prefer to have a flow measuring device? - correct answers-At the headworks
of the wastewater treatment plant
Which treatment process includes settling and floating materials before removal? - correct answers-
Primary treamtent
VERIFIED ANSWERS A+
What is the first clarifier that wastewater flows into called? - correct answers-Primary clarifier
What recovery and recycling processes are typical at wastewater treatment plants? - correct answers-
Recovering nutrients, generating energy, and creating biosolids
Where does effluent flow from? - correct answers-Reservoirs, basins, treatment processes, and
wastewater treatment plants
Who are receiving water quality standards and waste discharge requirements designed to protect? -
correct answers-Water users downstream from wastewater treatment plants
What kind of reuse stores treated water in surface or groundwater storage before being delivered to a
drinking water treatment plant? - correct answers-Indirect potable reuse
What environment do anaerobic bacteria live and reproduce in? - correct answers-An environment with
no free or dissolved oxygen
What is pH? - correct answers-An expression of the intensity of the basic or acidic condition of a liquid
What mechanism produces hydrogen sulfide? - correct answers-Anaerobic bacteria remove the oxygen
from sulfur compounds
What does a settleometer measure? - correct answers-Settleable solids
Which NPDES permit program describes the effluent limitations that are protective of the water quality
standards of the receiving water? - correct answers-Water Quality Based Permitting
What information about samples is specified in NPDES permits? - correct answers-Frequency of
collection and methods of reporting results
Facilities for handling wastewater are usually considered to have three major components or parts: -
correct answers-Collection, Treatment, and Reuse (or Discharge)
Which type of sewer system collects only runoff from streets, land, and roofs of buildings? - correct
answers-Stormwater collection system
What is the purpose of sewer-use ordinances and pretreatment discharge limitation programs? - correct
answers-To control the discharge of excessive flows and harmful industrial pollutants into the
wastewater collection system
Where do many operators prefer to have a flow measuring device? - correct answers-At the headworks
of the wastewater treatment plant
Which treatment process includes settling and floating materials before removal? - correct answers-
Primary treamtent
