FLORIDA WASTEWATER OPERATOR CLASS B
EXAM COMPREHENSIVE STUDY GUIDE 2026
FULL ANSWERS VERIFIED
◉ The definition of oxygen. Answer: Deficient atmosphere is on that
contains less than 19.5% oxygen
◉ A 24 hour composite sample was tested for chlorine residual and
found to contain? Answer: (None) (These results indicated that
Residual Chlorination was not present during the 24 hour period)
◉ Besides disinfection, chlorination can be used in wastewater
treatment process to? Answer: pre-chlorinate influent for control of
hydrogen sulfide, remove nitrogen by breakpoint chlorination, and
dose RAS for control bulking or foaming and to reduce plugging in a
trickling filter
◉ Proper operation of a facultative pond system requires? Answer:
Adequate DO is Maintained at the surface at all times
◉ An efficient primary clarifier is expected to remove? Answer: 90%
or better and 30-40% BOD Removal of the influent Settable Solids
, ◉ You have a ditch that is 350 ft long, 2 ft wide and 10 ft deep. After
putting bedding gravel and pipe into the ditch, it fills it by one third.
when you fill the remainder of the ditch, how many cubic yards of
material will be hauled off? Answer: (LxWxD=Cu.Ft 27/3=3rd.)
350x2x10=7000/27/3=86.42 or 87
◉ Which of the following is not a recommended procedure under
normal conditions to reduce a control "Bulking" in an activated
sludge system? Answer: Maintain a less than normal amount of
activated sludge
◉ You have 110 ft diameter tank that is 14 feet and 9 inches, what is
the amount of gallons in a wet well between the first mercury switch
and the last switch? Answer: the floats are set 2 feet 7 inches apart.
(1516.68 or 1517 gallons). 3.14x5x5x2.583x7.48=
◉ SVI= Sludge Volume Index. What does a SVI of 180 indicate?
Answer: Poor Sludge
◉ Using a pump curve you have a pump impeller 14 ¾" pumping at
47 feet of head a static loss on the discharge of 4 feet. What will the
pump put out? Answer: 47+4= 51ft of head
◉ How fast should you waste into the drying bed? Answer: Digester
sludge should be put in slowly or sludge may become watery
EXAM COMPREHENSIVE STUDY GUIDE 2026
FULL ANSWERS VERIFIED
◉ The definition of oxygen. Answer: Deficient atmosphere is on that
contains less than 19.5% oxygen
◉ A 24 hour composite sample was tested for chlorine residual and
found to contain? Answer: (None) (These results indicated that
Residual Chlorination was not present during the 24 hour period)
◉ Besides disinfection, chlorination can be used in wastewater
treatment process to? Answer: pre-chlorinate influent for control of
hydrogen sulfide, remove nitrogen by breakpoint chlorination, and
dose RAS for control bulking or foaming and to reduce plugging in a
trickling filter
◉ Proper operation of a facultative pond system requires? Answer:
Adequate DO is Maintained at the surface at all times
◉ An efficient primary clarifier is expected to remove? Answer: 90%
or better and 30-40% BOD Removal of the influent Settable Solids
, ◉ You have a ditch that is 350 ft long, 2 ft wide and 10 ft deep. After
putting bedding gravel and pipe into the ditch, it fills it by one third.
when you fill the remainder of the ditch, how many cubic yards of
material will be hauled off? Answer: (LxWxD=Cu.Ft 27/3=3rd.)
350x2x10=7000/27/3=86.42 or 87
◉ Which of the following is not a recommended procedure under
normal conditions to reduce a control "Bulking" in an activated
sludge system? Answer: Maintain a less than normal amount of
activated sludge
◉ You have 110 ft diameter tank that is 14 feet and 9 inches, what is
the amount of gallons in a wet well between the first mercury switch
and the last switch? Answer: the floats are set 2 feet 7 inches apart.
(1516.68 or 1517 gallons). 3.14x5x5x2.583x7.48=
◉ SVI= Sludge Volume Index. What does a SVI of 180 indicate?
Answer: Poor Sludge
◉ Using a pump curve you have a pump impeller 14 ¾" pumping at
47 feet of head a static loss on the discharge of 4 feet. What will the
pump put out? Answer: 47+4= 51ft of head
◉ How fast should you waste into the drying bed? Answer: Digester
sludge should be put in slowly or sludge may become watery
