ADEQ Wastewater Treatment 1 Exam Questions
and Answers (Verified Answers) Updated
(Actual Exam) 2026 LATEST VERSION!!
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Terms in this set (108)
Reason to use prechlorination at a Inhibit growth of odor-producing bacteria
wastewater treatment facility?
a. Decrease TSS load
b. Begin sterilization process
c. Inhibit growth of odor-producing
bacteria
d. Promote settling of inorganic
materials
The electrical current draw rate is Amps
measured in?
a. Volts
b. Amps
c. Ohms
d. Watts
All piping connections in a chlorine Ammonia vapors near connections
gas system should be checked for
leaks by:
a. Pressure gauge
b. Ammonia vapors near
connections
c. Misting water
d. Looking for signs of corrosion
,Improper use or lack of backflow Contamination
preventers may create:
a. Increased water pressure
b. Low water pressure
c. Contamination
d. Fluctuating water pressure
Tool to check bearings on an Vibration meter
electrical motor?
a. Tachometer
b. Stethoscope
c. Vibration meter
d. Oscilloscope
Longest life seal under normal Mechanical seal
conditions?
a. Mechanical seal
b. Water seal
c. Packing seal
d. Gland seal
pH test with an electrode? Maintain constant stirring rate
a. Raise temperature to 40°C
b. Lower temperature to 2°C
c. Dechlorinate
d. Maintain constant stirring rate
, Dry chemical feeder: 2.65 lbs in 5 763 lbs/day
minutes. What is the rate?
a. 13 lbs/day
b. 763 lbs/day
c. 3883 lbs/day
d. 48,203 lbs/day
Changing oil every 1000 hours is Preventative
what type of maintenance?
a. Preventative
b. Reactive
c. Run-to-failure
d. Conditional
Sludge sample test for MLSS? Filter
a. Remix
b. Filter
c. Allow to stand
d. Acidity
Minimum DO level test time on a 5 am
facultative lagoon?
a. 5 am
b. 11 am
c. 5 pm
d. 11 pm
Which form of solids is MOST Colloids
difficult to remove in a gravity
treatment process?
a. Coagulant
b. Precipitated
c. Colloids
and Answers (Verified Answers) Updated
(Actual Exam) 2026 LATEST VERSION!!
Save
Terms in this set (108)
Reason to use prechlorination at a Inhibit growth of odor-producing bacteria
wastewater treatment facility?
a. Decrease TSS load
b. Begin sterilization process
c. Inhibit growth of odor-producing
bacteria
d. Promote settling of inorganic
materials
The electrical current draw rate is Amps
measured in?
a. Volts
b. Amps
c. Ohms
d. Watts
All piping connections in a chlorine Ammonia vapors near connections
gas system should be checked for
leaks by:
a. Pressure gauge
b. Ammonia vapors near
connections
c. Misting water
d. Looking for signs of corrosion
,Improper use or lack of backflow Contamination
preventers may create:
a. Increased water pressure
b. Low water pressure
c. Contamination
d. Fluctuating water pressure
Tool to check bearings on an Vibration meter
electrical motor?
a. Tachometer
b. Stethoscope
c. Vibration meter
d. Oscilloscope
Longest life seal under normal Mechanical seal
conditions?
a. Mechanical seal
b. Water seal
c. Packing seal
d. Gland seal
pH test with an electrode? Maintain constant stirring rate
a. Raise temperature to 40°C
b. Lower temperature to 2°C
c. Dechlorinate
d. Maintain constant stirring rate
, Dry chemical feeder: 2.65 lbs in 5 763 lbs/day
minutes. What is the rate?
a. 13 lbs/day
b. 763 lbs/day
c. 3883 lbs/day
d. 48,203 lbs/day
Changing oil every 1000 hours is Preventative
what type of maintenance?
a. Preventative
b. Reactive
c. Run-to-failure
d. Conditional
Sludge sample test for MLSS? Filter
a. Remix
b. Filter
c. Allow to stand
d. Acidity
Minimum DO level test time on a 5 am
facultative lagoon?
a. 5 am
b. 11 am
c. 5 pm
d. 11 pm
Which form of solids is MOST Colloids
difficult to remove in a gravity
treatment process?
a. Coagulant
b. Precipitated
c. Colloids
