Wastewater Class 2 Ohio ABC Part 1
Exam Questions And Correct Answers
Most important factor in preventing accidents at a wastewater plant?
Attitude of the employees.
Plant influent appears black and has a foul odor each morning. The cause is
traced to a pump station at a subdivision which is oversized for the current
number of homes in the subdivision. What corrective action can you take?
Decrease the distance between the on and off probes in the wet well.
Which of the following best describes the term "public relations"?
All contacts between the staff of the utility and those outside the staff.
What is a cross connection?
Result of wastewater coming into contact with potable water.
Why is it recommended that approved backflow prevention devices be installed
above grade level?
,To prevent the relief port of the device from ever becoming submerged.
Your plant's discharge permit requires that effluent suspended solids be tested
3 days per week. You test five samples per week. What should you report?
All five results.
At a minimum, how often should contact lists on emergency response plans be
verified?
Quarterly.
According to the Code of Federal Regulations the term "Significant Industrial
User" includes.
A non-domestic discharger that discharges over 25,000 gallons per day of process
wastewater or is subject to specific federal pretreatment standards.
What document is used to evaluate compliances with personal protective
equipment guidelines?
Occupational Safety and Health Standards.
, Which term describes the calculated amount by which the value of a utility's
physical property declines annually at a predetermined rate?
Depreciation.
According to 40 CFR, a discharge to a municipal separate storm sewer system
that is composed of storm water mixed with industrial waste is defined by EPA
as a(n)?
Illicit discharge.
The main detrimental effect infiltration/inflow has on plant performance is to.
Cut down the hydraulic detention time.
Which of the following explains how to handle a chlorine release?
Emergency response plan
Which of the following is the most significant problem in using the activated
sludge process to treat seasonal cannery waste?
Nutrient imbalance
Exam Questions And Correct Answers
Most important factor in preventing accidents at a wastewater plant?
Attitude of the employees.
Plant influent appears black and has a foul odor each morning. The cause is
traced to a pump station at a subdivision which is oversized for the current
number of homes in the subdivision. What corrective action can you take?
Decrease the distance between the on and off probes in the wet well.
Which of the following best describes the term "public relations"?
All contacts between the staff of the utility and those outside the staff.
What is a cross connection?
Result of wastewater coming into contact with potable water.
Why is it recommended that approved backflow prevention devices be installed
above grade level?
,To prevent the relief port of the device from ever becoming submerged.
Your plant's discharge permit requires that effluent suspended solids be tested
3 days per week. You test five samples per week. What should you report?
All five results.
At a minimum, how often should contact lists on emergency response plans be
verified?
Quarterly.
According to the Code of Federal Regulations the term "Significant Industrial
User" includes.
A non-domestic discharger that discharges over 25,000 gallons per day of process
wastewater or is subject to specific federal pretreatment standards.
What document is used to evaluate compliances with personal protective
equipment guidelines?
Occupational Safety and Health Standards.
, Which term describes the calculated amount by which the value of a utility's
physical property declines annually at a predetermined rate?
Depreciation.
According to 40 CFR, a discharge to a municipal separate storm sewer system
that is composed of storm water mixed with industrial waste is defined by EPA
as a(n)?
Illicit discharge.
The main detrimental effect infiltration/inflow has on plant performance is to.
Cut down the hydraulic detention time.
Which of the following explains how to handle a chlorine release?
Emergency response plan
Which of the following is the most significant problem in using the activated
sludge process to treat seasonal cannery waste?
Nutrient imbalance
