Wastewater collections Exam Questions
with Answers
What is the average per day per person put into the wastewater collection system - ✔✔100
what percent of wastewater is water - ✔✔99.9%
anaerobic bacteria can live - ✔✔in the absence of oxygen
what is the average pounds BOD per person per day put into the collection system - ✔✔.17
when an accidental discharge occurs, the entity responsible for that system has to report the
discharge to the TCEQ within - ✔✔24 hours
before a system can start a new construction project in Texas, they are required to have
approval of plans by - ✔✔TCEQ
every city with a population more than____ shall establish a water pollution control program -
✔✔10,000
What is the recommended velocity for gravity sewer - ✔✔3-5 ft/sec
the pipe that carries the wastewater to the treatment plant is called the - ✔✔outfall line
an invert siphon would be used to - ✔✔carry sewer under a stream
shoring, sloping or a trench box are required if an excavation is deeper than___feet - ✔✔5 feet
with Answers
What is the average per day per person put into the wastewater collection system - ✔✔100
what percent of wastewater is water - ✔✔99.9%
anaerobic bacteria can live - ✔✔in the absence of oxygen
what is the average pounds BOD per person per day put into the collection system - ✔✔.17
when an accidental discharge occurs, the entity responsible for that system has to report the
discharge to the TCEQ within - ✔✔24 hours
before a system can start a new construction project in Texas, they are required to have
approval of plans by - ✔✔TCEQ
every city with a population more than____ shall establish a water pollution control program -
✔✔10,000
What is the recommended velocity for gravity sewer - ✔✔3-5 ft/sec
the pipe that carries the wastewater to the treatment plant is called the - ✔✔outfall line
an invert siphon would be used to - ✔✔carry sewer under a stream
shoring, sloping or a trench box are required if an excavation is deeper than___feet - ✔✔5 feet
