TCEQ CLASS C WATER LICENSE EXAM
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026
If a new water main is installed and the total length of the
new line is 6 miles now many bacteriological samples must
be taken?
32 samples (4 per mile)
In a cubic foot of water there are _______ gallons how many
gallons are there in 9 cubic feet?
7.48 and 67.32
You are instructed to install 35 miles 6" water line the pipe
comes in 20 ft lengths how many joints of pipe will you have
installed once the job is complete
924
,A new subdivision is proposed for your Community the
projected water use for the subdivision is 3.1mgd how many
gallons per minute is that
2152 GPM
A disease that may be spread by inadequately disinfected
water
Dysentery
A common chemical used in disinfection of small water
supply is
Calcium hypochlorite
A physical connection between a potable water supply and
house well would be
A cross connection
The amount of chlorine in mg/L that is used up by reacting
with iron organics of bacteria is called
Demand
Which of the following is a physical characteristic of chlorine
gas
Greenish-Yellow Color, heavier than air, pungent penetrating
odor, corrosive
Which of the following would be considered a part of a
hypo-chlorinator system
Solution feed pump
, According to state requirements, all public water Supply
wells should be provided with a raised concrete sealing
block, screened vents, and-
A flow measuring device
Drawdown of a water well is determined by
Difference in static and pumping levels
pH of water indicates
If it's acidic or basic
The pH of water is expressed on a pH scale of
0-14
Water that is considered neutral is expressed on the pH
scale at
7.0
Which of the following is a required Step in collecting a
routine distribution sample for bacteriological testing?
Use of an approved, sterile sample container
Sand filtration will remove which of the following from
surface water
Turbidity
Activated carbon is used in a surface water plant primarily
for
Taste and odor control
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026
If a new water main is installed and the total length of the
new line is 6 miles now many bacteriological samples must
be taken?
32 samples (4 per mile)
In a cubic foot of water there are _______ gallons how many
gallons are there in 9 cubic feet?
7.48 and 67.32
You are instructed to install 35 miles 6" water line the pipe
comes in 20 ft lengths how many joints of pipe will you have
installed once the job is complete
924
,A new subdivision is proposed for your Community the
projected water use for the subdivision is 3.1mgd how many
gallons per minute is that
2152 GPM
A disease that may be spread by inadequately disinfected
water
Dysentery
A common chemical used in disinfection of small water
supply is
Calcium hypochlorite
A physical connection between a potable water supply and
house well would be
A cross connection
The amount of chlorine in mg/L that is used up by reacting
with iron organics of bacteria is called
Demand
Which of the following is a physical characteristic of chlorine
gas
Greenish-Yellow Color, heavier than air, pungent penetrating
odor, corrosive
Which of the following would be considered a part of a
hypo-chlorinator system
Solution feed pump
, According to state requirements, all public water Supply
wells should be provided with a raised concrete sealing
block, screened vents, and-
A flow measuring device
Drawdown of a water well is determined by
Difference in static and pumping levels
pH of water indicates
If it's acidic or basic
The pH of water is expressed on a pH scale of
0-14
Water that is considered neutral is expressed on the pH
scale at
7.0
Which of the following is a required Step in collecting a
routine distribution sample for bacteriological testing?
Use of an approved, sterile sample container
Sand filtration will remove which of the following from
surface water
Turbidity
Activated carbon is used in a surface water plant primarily
for
Taste and odor control
