Wastewater Math Problems exam actual questions and
answers with complete solutions verified latest update
graded a+ 2026/2027
Compute the lagoons detention time. 24 days
Data: Surface area - 6.0 ac 3 multiple choice options
Average depth - 3.0 ft
Average daily flow
(influent) - 0.25
MGD 1 ac (area) -
43,560 sq ft
1 cu ft - 7.48 gal
How many pounds of chlorine gas are necessary to treat 67 lb
4,000,000 gal of wastewater at a dosage of 2 mg/L? 3 multiple choice
options
Your waste water treatment plant serves 1,100 people. The 73 gpd/cap
, flow averages 80,000 gpd. The approximate daily flow 3 multiple
choice options
contribution per person is
Over a 4-year period, the hour meter on an instrument air 681.3
compressor had the following readings at the end of 3 multiple choice
options
each year: first year -
976.3; second year -
1325.8; third year - 2007.1;
fourth year 2371.4. How
many hours does the meter
show that the compressor
ran during the third year?
A single-piston reciprocating pump has a 6-in diameter 12
piston with a 6-in length of stroke. If it makes 16 discharge 3 multiple
choice options
strokes per minute, the pumping rate is
Calculate the weir loading for a sedimentation tank that 10417 gpd/ft
answers with complete solutions verified latest update
graded a+ 2026/2027
Compute the lagoons detention time. 24 days
Data: Surface area - 6.0 ac 3 multiple choice options
Average depth - 3.0 ft
Average daily flow
(influent) - 0.25
MGD 1 ac (area) -
43,560 sq ft
1 cu ft - 7.48 gal
How many pounds of chlorine gas are necessary to treat 67 lb
4,000,000 gal of wastewater at a dosage of 2 mg/L? 3 multiple choice
options
Your waste water treatment plant serves 1,100 people. The 73 gpd/cap
, flow averages 80,000 gpd. The approximate daily flow 3 multiple
choice options
contribution per person is
Over a 4-year period, the hour meter on an instrument air 681.3
compressor had the following readings at the end of 3 multiple choice
options
each year: first year -
976.3; second year -
1325.8; third year - 2007.1;
fourth year 2371.4. How
many hours does the meter
show that the compressor
ran during the third year?
A single-piston reciprocating pump has a 6-in diameter 12
piston with a 6-in length of stroke. If it makes 16 discharge 3 multiple
choice options
strokes per minute, the pumping rate is
Calculate the weir loading for a sedimentation tank that 10417 gpd/ft
