FLORIDA WASTEWATER CLASS C
PRACTICE TEST EXAM NEWEST 2026
ALL STUDY QUESTIONS WITH
VERIFIED SOLUTIONS 100%
GUARANTEED PASS | RATED A+
,FLORIDA WASTEWATER CLASS C PRACTICE TEST EXAM
NEWEST 2026 ALL STUDY QUESTIONS WITH VERIFIED
SOLUTIONS 100% GUARANTEED PASS | RATED A+
Dark brown, almost gray/black sudsy foam on the aeration tank surface. Mixed liquor color is
very dark brown, to almost black. There is the detection of a septic or sour odor in the area of the
aeration tank. What is the BEST method to correct the problem?
A. Decrease the RAS rate to decrease the clarifier detention time
B. Increase the WAS rate to wash the septic sludge from the system
C. Increase the air SCFM to maintain proper DO
D. Decrease the air SCM to conserve energy - Answer>>> C
How many cubic feet of screenings will be removed in a 30-day month by the manually cleaned
bar screen if six 5-gallon buckets of screenings are removed per day?
A. 4.0 cubic feet per month
B. 3.9 cubic yards per month
C. 120 cubic feet per month
D. 120 cubic yards per month - Answer>>> C
Dark brown, almost gray/black sudsy foam on the aeration tank surface. Mixed liquor color is
very dark brown, to almost black. There is the detection of a septic or sour odor in the area of the
aeration tank. What is the MOST likely cause?
a. Aerobic conditions are occurring in the aeration tank
b. Septic conditions have occurred in the clarifiers
, c. Anaerobic conditions are occurring in the aeration tank
d. Anoxic conditions are occurring in the pre-denitrification zone - Answer>>> C
In a lab, a dilute acid solution must be prepared for titration in the alkalinity test. The proper
procedure for making the weak acid is to:
A. Add the water slowly to the concentrated acid to begin dilution
B. Add the water quickly to the acid to begin dilution
C. Add the acid directly to the sample without dilution
D. Add the acid slowly to the dilution water - Answer>>> D
In an activated sludge plant, if the DO in the aeration tank suddenly decreases and the aerators
are not the problem, what is the MOST PROBABLE cause?
a. F/M Ratio decreased
b. Increase organic load into tank
c. Denitrification occurring
d. MCRT too long - Answer>>> B
Odor complaints are increasing at the WWTP. The operator finds most odors seem to be coming
from the primary clarifiers where bubbles and chunks of solids are found on the tank surface.
What should be done to correct the problem?
A. Cover the secondary clarifiers
B. Increase the pretreatment chlorine dosage
C. Increase the sludge withdrawal from the primary clarifiers
PRACTICE TEST EXAM NEWEST 2026
ALL STUDY QUESTIONS WITH
VERIFIED SOLUTIONS 100%
GUARANTEED PASS | RATED A+
,FLORIDA WASTEWATER CLASS C PRACTICE TEST EXAM
NEWEST 2026 ALL STUDY QUESTIONS WITH VERIFIED
SOLUTIONS 100% GUARANTEED PASS | RATED A+
Dark brown, almost gray/black sudsy foam on the aeration tank surface. Mixed liquor color is
very dark brown, to almost black. There is the detection of a septic or sour odor in the area of the
aeration tank. What is the BEST method to correct the problem?
A. Decrease the RAS rate to decrease the clarifier detention time
B. Increase the WAS rate to wash the septic sludge from the system
C. Increase the air SCFM to maintain proper DO
D. Decrease the air SCM to conserve energy - Answer>>> C
How many cubic feet of screenings will be removed in a 30-day month by the manually cleaned
bar screen if six 5-gallon buckets of screenings are removed per day?
A. 4.0 cubic feet per month
B. 3.9 cubic yards per month
C. 120 cubic feet per month
D. 120 cubic yards per month - Answer>>> C
Dark brown, almost gray/black sudsy foam on the aeration tank surface. Mixed liquor color is
very dark brown, to almost black. There is the detection of a septic or sour odor in the area of the
aeration tank. What is the MOST likely cause?
a. Aerobic conditions are occurring in the aeration tank
b. Septic conditions have occurred in the clarifiers
, c. Anaerobic conditions are occurring in the aeration tank
d. Anoxic conditions are occurring in the pre-denitrification zone - Answer>>> C
In a lab, a dilute acid solution must be prepared for titration in the alkalinity test. The proper
procedure for making the weak acid is to:
A. Add the water slowly to the concentrated acid to begin dilution
B. Add the water quickly to the acid to begin dilution
C. Add the acid directly to the sample without dilution
D. Add the acid slowly to the dilution water - Answer>>> D
In an activated sludge plant, if the DO in the aeration tank suddenly decreases and the aerators
are not the problem, what is the MOST PROBABLE cause?
a. F/M Ratio decreased
b. Increase organic load into tank
c. Denitrification occurring
d. MCRT too long - Answer>>> B
Odor complaints are increasing at the WWTP. The operator finds most odors seem to be coming
from the primary clarifiers where bubbles and chunks of solids are found on the tank surface.
What should be done to correct the problem?
A. Cover the secondary clarifiers
B. Increase the pretreatment chlorine dosage
C. Increase the sludge withdrawal from the primary clarifiers
