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Florida Wastewater Operator class A certification
exam ||Verified Exam!! (Answered) 100%Correct and
Verified Answers||Newest Exam!!!
A 30 " Diameter sewer pipe is observed to be flowing half
full at about two ft./sec . The approximate volume of
wastewater flowing through the pipe is__________ -
Answer-2,200 gallons per minute
A one - cylinder reciprocating sludge pump with a 10 "
bore and a 5 " stroke pumps at a rate of 50 strokes per
minute . How many minutes must the pump is operated to
pump 5,000 gallons ? minutes - Answer-60 minutes
After a year the Operator in training should be able to -
Answer-Operator in training should Make process control
in preliminary areas of treatment
What is an important element for a healthy biomass
missing in industrial waste ? - Answer-Nitrogen
What does the term bound water stand for ? - Answer-
Water trap in a sludge cell mass
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Total fule value of sludge is determined be - Answer-Total
volatile solids
(Picture of stalked Cilia branch) The picture indicated
what? - Answer-The sludge have optimal setting
characteristics
A population of 18,000 has a 5-year projected growth of
15.5%. Taking count that 100gallons per person per day
and 0.17lbs. of BOD per person per day? What would be
the projected flow and the lbs. of BOD then? - Answer-
2.07MGD/ 3,535 lbs.
In a trench, ladders and other scape items should be place
if the trench has a minimum depth of.. - Answer-4ft
Traffic control and utility guidance is suggested by -
Answer-Texas manual on uniform traffic control devices-
Texas department of transportation
The sludge of a primary clarifier has what content of dry
solids ? - Answer-4 % to 6 %
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A wastewater stabilization pond has 130,680 ft2 . It has 3 :
1 slope on the embankment and has an average depth of
5ft . Approximately how many people will this pond provide
wastewater treatment for ? - Answer-The pond has an
area of approximately 3 acres, which can provide
wastewater treatment for about 300 people.
Testing of mixed liquor indicates the MLSS is 2500mg / L
and the settling test shows that a 1000ml sample settles to
270ml after 30 minutes . What is the SVI ? - Answer-108
A basic compound form by combining chlorine with water
is ? - Answer-Hypochlorous acid
According to TAC chapter 217 all pipe and fittings used in
wastewater pressure mains shall have a minimum PSI
rating of ? - Answer-150
The smallest pipe size for air recirculation of a self -
priming centrifugal pump is ? - Answer-1 inch
Florida Wastewater Operator class A certification
exam ||Verified Exam!! (Answered) 100%Correct and
Verified Answers||Newest Exam!!!
A 30 " Diameter sewer pipe is observed to be flowing half
full at about two ft./sec . The approximate volume of
wastewater flowing through the pipe is__________ -
Answer-2,200 gallons per minute
A one - cylinder reciprocating sludge pump with a 10 "
bore and a 5 " stroke pumps at a rate of 50 strokes per
minute . How many minutes must the pump is operated to
pump 5,000 gallons ? minutes - Answer-60 minutes
After a year the Operator in training should be able to -
Answer-Operator in training should Make process control
in preliminary areas of treatment
What is an important element for a healthy biomass
missing in industrial waste ? - Answer-Nitrogen
What does the term bound water stand for ? - Answer-
Water trap in a sludge cell mass
,2|Page
Total fule value of sludge is determined be - Answer-Total
volatile solids
(Picture of stalked Cilia branch) The picture indicated
what? - Answer-The sludge have optimal setting
characteristics
A population of 18,000 has a 5-year projected growth of
15.5%. Taking count that 100gallons per person per day
and 0.17lbs. of BOD per person per day? What would be
the projected flow and the lbs. of BOD then? - Answer-
2.07MGD/ 3,535 lbs.
In a trench, ladders and other scape items should be place
if the trench has a minimum depth of.. - Answer-4ft
Traffic control and utility guidance is suggested by -
Answer-Texas manual on uniform traffic control devices-
Texas department of transportation
The sludge of a primary clarifier has what content of dry
solids ? - Answer-4 % to 6 %
, 3|Page
A wastewater stabilization pond has 130,680 ft2 . It has 3 :
1 slope on the embankment and has an average depth of
5ft . Approximately how many people will this pond provide
wastewater treatment for ? - Answer-The pond has an
area of approximately 3 acres, which can provide
wastewater treatment for about 300 people.
Testing of mixed liquor indicates the MLSS is 2500mg / L
and the settling test shows that a 1000ml sample settles to
270ml after 30 minutes . What is the SVI ? - Answer-108
A basic compound form by combining chlorine with water
is ? - Answer-Hypochlorous acid
According to TAC chapter 217 all pipe and fittings used in
wastewater pressure mains shall have a minimum PSI
rating of ? - Answer-150
The smallest pipe size for air recirculation of a self -
priming centrifugal pump is ? - Answer-1 inch
