QUESDTIONS COMPLETE WITH 100% VERIFIED
ANSWERS
\.Most important factor in preventing accidents at a wastewater plant?
- ANSWERS-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? - ANSWERS-Decrease the distance between the on and
off probes in the wet well.
\.Which of the following best describes the term "public relations"? -
ANSWERS-All contacts between the staff of the utility and those outside
the staff.
\.What is a cross connection? - ANSWERS-Result of wastewater coming
into contact with potable water.
\.Why is it recommended that approved backflow prevention devices be
installed above grade level? - ANSWERS-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? - ANSWERS-All five results.
\.At a minimum, how often should contact lists on emergency response
plans be verified? - ANSWERS-Quarterly.
\.According to the Code of Federal Regulations the term "Significant
Industrial User" includes. - ANSWERS-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? - ANSWERS-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? -
ANSWERS-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)? - ANSWERS-Illicit discharge.
, \.The main detrimental effect infiltration/inflow has on plant
performance is to. - ANSWERS-Cut down the hydraulic detention time.
\.Which of the following explains how to handle a chlorine release? -
ANSWERS-Emergency response plan
\.Which of the following is the most significant problem in using the
activated sludge process to treat seasonal cannery waste? - ANSWERS-
Nutrient imbalance
\.An auto flow proportional chlorination system is working properly.
However in the morning hours when the flow is increasing, the operator
is unable to obtain a chlorine residual. What is causing the problem? -
ANSWERS-Nitrites in the effluent.
\.To achieve an overall threat rating for a specific emergency event, a
wastewater utility should consider the frequency of past occurrences,
the probability of future occurrences, and - ANSWERS-Magnitude of
impact.
\.Uniforms, i.d., and system logos on wastewater system vehicles are
critical components of - ANSWERS-public awareness and security
program