TCEQ Class C Water License Exam / Texas
Wastewater Class A Already Passed!!
How should shoring be removed from a trench? - ✔✔✔ANSWER-up from the
bottom up
In low pressure sewer systems where each tap must have a grinder pump lift
station, station is considered to be - ✔✔✔ANSWER-part of the collection
system and the responsibility of the utility
Effective communication depends on - ✔✔✔ANSWER-being a good listener
When designing a wastewater collection system, the engineer considers the
population for how many years in the future? - ✔✔✔ANSWER-50
According to 30 TAC Chapter 317, all pipe and fittings used in wastewater
pressure shall have a minimum psi pressure rating of - ✔✔✔ANSWER-150 The
minimum velocity of flow in a wastewater line should be -
✔✔✔ANSWER-2.0 fps
At a construction job site, as the roadway speed increases, the spacing between
cones and barricades should - ✔✔✔ANSWER-increase
,The major cause of wastewater line stoppages is - ✔✔✔ANSWER-roots and
grease
Carbon monoxide (CO) poisoning symptoms are - ✔✔✔ANSWER-tightness
in the chest nausea drowsiness and headache (all of the above)
The smallest pipe size for air recirculation of a self-priming centrifugal pump is -
✔✔✔ANSWER-1 inch
Dangerous gases in a confined space may not be detected with the physical senses
because - ✔✔✔ANSWER-some gases have no odor some gases may deaden
the sense of smell some gases may displace the oxygen (all of the above)
What are the dangerous gases a collection system worker might come into contact
with? - ✔✔✔ANSWER-CO2 CO НaS CH4 (all of the above)
On a construction job site, equipment booms must maintain at least how many feet
of clearance from overhead electric lines? - ✔✔✔ANSWER-10
How should trench shoring be installed? - ✔✔✔ANSWER-to above the top of
the trench
When setting work goals for an employee, the goals should be -
, ✔✔✔ANSWER-accompanied by an action plan
According to Chapter 317, Design Criteria, a manhole can be installed within 9 feet
of an existing waterline if - ✔✔✔ANSWER-the manhole is completely
watertight and tested for no leakage
As the population of a collection system increases, the ratio of peak flow to
average daily flow will - ✔✔✔ANSWER-decrease
Motivating workers to do a better job is best done by - ✔✔✔ANSWER-letting
workers participate in setting goals
One important element of a good communicator is - ✔✔✔ANSWER-being a
good listener
Monitoring and reporting records of a wastewater treatment plant shall be kept at
the facility site for a period of - ✔✔✔ANSWER-d. three years
The TCEQ Design Criteria requires that deflection tests be performed on all new
installed flexible or semi-rigid pipe after the final backfill has been in place for 30
days. This deflection test is usually performed using a rigid ball or mandrel that has
a diameter equal to -percent of the inside diameter of the pipe. -
✔✔✔ANSWER-c. 95
Wastewater Class A Already Passed!!
How should shoring be removed from a trench? - ✔✔✔ANSWER-up from the
bottom up
In low pressure sewer systems where each tap must have a grinder pump lift
station, station is considered to be - ✔✔✔ANSWER-part of the collection
system and the responsibility of the utility
Effective communication depends on - ✔✔✔ANSWER-being a good listener
When designing a wastewater collection system, the engineer considers the
population for how many years in the future? - ✔✔✔ANSWER-50
According to 30 TAC Chapter 317, all pipe and fittings used in wastewater
pressure shall have a minimum psi pressure rating of - ✔✔✔ANSWER-150 The
minimum velocity of flow in a wastewater line should be -
✔✔✔ANSWER-2.0 fps
At a construction job site, as the roadway speed increases, the spacing between
cones and barricades should - ✔✔✔ANSWER-increase
,The major cause of wastewater line stoppages is - ✔✔✔ANSWER-roots and
grease
Carbon monoxide (CO) poisoning symptoms are - ✔✔✔ANSWER-tightness
in the chest nausea drowsiness and headache (all of the above)
The smallest pipe size for air recirculation of a self-priming centrifugal pump is -
✔✔✔ANSWER-1 inch
Dangerous gases in a confined space may not be detected with the physical senses
because - ✔✔✔ANSWER-some gases have no odor some gases may deaden
the sense of smell some gases may displace the oxygen (all of the above)
What are the dangerous gases a collection system worker might come into contact
with? - ✔✔✔ANSWER-CO2 CO НaS CH4 (all of the above)
On a construction job site, equipment booms must maintain at least how many feet
of clearance from overhead electric lines? - ✔✔✔ANSWER-10
How should trench shoring be installed? - ✔✔✔ANSWER-to above the top of
the trench
When setting work goals for an employee, the goals should be -
, ✔✔✔ANSWER-accompanied by an action plan
According to Chapter 317, Design Criteria, a manhole can be installed within 9 feet
of an existing waterline if - ✔✔✔ANSWER-the manhole is completely
watertight and tested for no leakage
As the population of a collection system increases, the ratio of peak flow to
average daily flow will - ✔✔✔ANSWER-decrease
Motivating workers to do a better job is best done by - ✔✔✔ANSWER-letting
workers participate in setting goals
One important element of a good communicator is - ✔✔✔ANSWER-being a
good listener
Monitoring and reporting records of a wastewater treatment plant shall be kept at
the facility site for a period of - ✔✔✔ANSWER-d. three years
The TCEQ Design Criteria requires that deflection tests be performed on all new
installed flexible or semi-rigid pipe after the final backfill has been in place for 30
days. This deflection test is usually performed using a rigid ball or mandrel that has
a diameter equal to -percent of the inside diameter of the pipe. -
✔✔✔ANSWER-c. 95
