6.
At which time can the wastewater flow be expected to be greatest?
a. 0200 hours.
b. 0700 hours.
c. 1500 hours.
d. 2100 hours.
7.
Federal guidelines state that the effluent from a wastewater treatment plant,
which is discharged into a receiving stream, should meet _____________,
__________, and ________________ discharge criteria.
8.
What are the essential functions of a complete wastewater system?
a. __________________________________________________________.
b. __________________________________________________________.
c. __________________________________________________________.
d. __________________________________________________________.
9.
Average raw wastewater has a 5-day BOD content of approximately:
a. 25-50 mg/l (ppm).
b. 50-100 mg/l (ppm).
c. 150-250 mg/l (ppm).
d. 500-1,000 mg/l (ppm).
MD0161
1-46