TEXAS WASTEWATER Exam Questions
With Accurate Solutions 2025\2026 A+ Grade
water moves upward through xylem cells in plants by ___ action
- accurate answers-capillary
plants ___ water vapor into the atmosphere through openings formed y
specialized cells called ___
- accurate answers-transpire/stomata
the molecular weight of water is about ___ grams/mole
- accurate answers-18
pure water is a ___ conductor of electricity
- accurate answers-poor
the water in oceans represents about __% of the worlds total water inventory
- accurate answers-97
1.0 acre foot is ___ gallons
- accurate answers-325,851
about ___% of the precipitation that falls on texas in a year will return to the
atmosphere by evapotranspiration
- accurate answers-89
water goes from the surface, through the ground and into ___ by the process of
___
- accurate answers-aquifiers/percolation
statewide, the total water usage is about ___ million acre feet per year, most of
which is for ___
- accurate answers-16/irrigation
on average, domestic sewage is about ___ residential and ___ commercial and
institutional
- accurate answers-2/3 - 1/3
,when the original sewers were built, the sewage was discharged to ___
- accurate answers-rivers or streams
the Imhoff tank was designed by Dr. Karl Imhoff in germany in ___
- accurate answers-1906
which of the following is an example of a "point source"?
- accurate answers-potw discharge and industrial discharge
which of the following is an example of a "non-point source"?
- accurate answers-a landfill
the large sewer in rom that was completed around 500 bc was called___
- accurate answers-cloaca maxima
the name for any matter in the water that renders it "undesirable" for human
use is
- accurate answers-pollution
the name for any matter in the water that renders it "unfit" for human use is
- accurate answers-contamination
____ is a readily available "source" of water that will become more acceptable
as population growth makes water more scarce
- accurate answers-effluent re-use
the federal agency having authority over environmental matters, including
regulation of wastewater systems, is the
- accurate answers-USEPA
the state agency having authority over environmental matters, including
regulation of wastewater systems, is the
- accurate answers-TCEQ
the purpose for clean water in the state is/are
- accurate answers-water pollution control
, delegation of regulatory authority to state environmental agencies by EPA is
called__
- accurate answers-primacy
in 2002 the ___ formally became the TCEQ
- accurate answers-TNRCC
functions of the tceq with respect to water pollution control are:
- accurate answers-all of these
duties of the tceq are:
- accurate answers-all of these
can an operator in a potw hold a license before he/she has accrued work
experience? if so what license?
- accurate answers-yes - class D
how much of an applicants total experience credits must be in a actual, day-to-
day operation or maintenance work in a domestic wastewater facility?
- accurate answers-50%
what is the minimum experience requirement for an applicant with a high
school diploma to earn a class b operator or class III collection license,
including credit for extra training? how many total training hours will this
person need, to test for the license in this amount of time?
- accurate answers-3 - 180
an operator with a class D license works in a 0.080 mgd potw using an imhoff
tank followed by stabilzation poinds. can this operator renew the class D
license ?
- accurate answers-yes
it is the duty of the licensed operator to keep tceq informed of his/ her ___
- accurate answers-address
atleast one operator on each shift in a class A potw must hold a minimum ___
wastewater operator license
- accurate answers-class B
With Accurate Solutions 2025\2026 A+ Grade
water moves upward through xylem cells in plants by ___ action
- accurate answers-capillary
plants ___ water vapor into the atmosphere through openings formed y
specialized cells called ___
- accurate answers-transpire/stomata
the molecular weight of water is about ___ grams/mole
- accurate answers-18
pure water is a ___ conductor of electricity
- accurate answers-poor
the water in oceans represents about __% of the worlds total water inventory
- accurate answers-97
1.0 acre foot is ___ gallons
- accurate answers-325,851
about ___% of the precipitation that falls on texas in a year will return to the
atmosphere by evapotranspiration
- accurate answers-89
water goes from the surface, through the ground and into ___ by the process of
___
- accurate answers-aquifiers/percolation
statewide, the total water usage is about ___ million acre feet per year, most of
which is for ___
- accurate answers-16/irrigation
on average, domestic sewage is about ___ residential and ___ commercial and
institutional
- accurate answers-2/3 - 1/3
,when the original sewers were built, the sewage was discharged to ___
- accurate answers-rivers or streams
the Imhoff tank was designed by Dr. Karl Imhoff in germany in ___
- accurate answers-1906
which of the following is an example of a "point source"?
- accurate answers-potw discharge and industrial discharge
which of the following is an example of a "non-point source"?
- accurate answers-a landfill
the large sewer in rom that was completed around 500 bc was called___
- accurate answers-cloaca maxima
the name for any matter in the water that renders it "undesirable" for human
use is
- accurate answers-pollution
the name for any matter in the water that renders it "unfit" for human use is
- accurate answers-contamination
____ is a readily available "source" of water that will become more acceptable
as population growth makes water more scarce
- accurate answers-effluent re-use
the federal agency having authority over environmental matters, including
regulation of wastewater systems, is the
- accurate answers-USEPA
the state agency having authority over environmental matters, including
regulation of wastewater systems, is the
- accurate answers-TCEQ
the purpose for clean water in the state is/are
- accurate answers-water pollution control
, delegation of regulatory authority to state environmental agencies by EPA is
called__
- accurate answers-primacy
in 2002 the ___ formally became the TCEQ
- accurate answers-TNRCC
functions of the tceq with respect to water pollution control are:
- accurate answers-all of these
duties of the tceq are:
- accurate answers-all of these
can an operator in a potw hold a license before he/she has accrued work
experience? if so what license?
- accurate answers-yes - class D
how much of an applicants total experience credits must be in a actual, day-to-
day operation or maintenance work in a domestic wastewater facility?
- accurate answers-50%
what is the minimum experience requirement for an applicant with a high
school diploma to earn a class b operator or class III collection license,
including credit for extra training? how many total training hours will this
person need, to test for the license in this amount of time?
- accurate answers-3 - 180
an operator with a class D license works in a 0.080 mgd potw using an imhoff
tank followed by stabilzation poinds. can this operator renew the class D
license ?
- accurate answers-yes
it is the duty of the licensed operator to keep tceq informed of his/ her ___
- accurate answers-address
atleast one operator on each shift in a class A potw must hold a minimum ___
wastewater operator license
- accurate answers-class B
