Texas Water Well Pump Installer License Exam
ACTUAL EXAM COMPLETE VERIFIED QUESTIONS
AND CORRECT ANSWERS LATEST UPDATE.pdf
The amount of chlorine in mg/L that is used up by reacting
with iron organics of bacteria is called - Answer-Demand
Which of the following is a physical characteristic of
chlorine gas - Answer-Greenish-Yellow Color, heavier
than air, pungent penetrating odor, corrosive
Which of the following would be considered a part of a
hypo-chlorinator system - Answer-Solution feed pump
According to state requirements, all public water Supply
wells should be provided with a raised concrete sealing
block, screened vents, and- - Answer-A flow measuring
device
Drawdown of a water well is determined by - Answer-
Difference in static and pumping levels
,1|Page
pH of water indicates - Answer-If it's acidic or basic
The pH of water is expressed on a pH scale of - Answer-0-
14
Water that is considered neutral is expressed on the pH
scale at - Answer-7.0
Which of the following is a required Step in collecting a
routine distribution sample for bacteriological testing? -
Answer-Use of an approved, sterile sample container
Sand filtration will remove which of the following from
surface water - Answer-Turbidity
Activated carbon is used in a surface water plant primarily
for - Answer-Taste and odor control
Which or the following chemicals are commonly used as
coagulants in surface water treatment - Answer-Alum and
ferric chloride
,2|Page
Ground storage tanks are required to provided with which
of the following - Answer-Screened vents, an approved
locking roof hatch, an overflow pipe with hinged flap
device, annual inspection and maintenance as needed
An elevated storage tank should be protected against
corrosion by - Answer-Painting, cathodic protection, water
stabilization, and only using galvanized and lead based
primed components
A public water supply system should maintain residual
pressure of 20 psi and a minimum of normal operating
pressure of - Answer-35 psi
Before a new or repaired water line is placed into service,
it must be properly disinfected by providing a chlorine
dosage of _________ and proper detention time - Answer-
50 mg/L
Water bearing formations beneath the earths surface that
are used as a source of water for public water supplies are
- Answer-Aquifers
, 3|Page
The purpose of an air line on a well is - Answer-Determine
Water leves in the well
The mesh size is an important feature of a well screen
because properly sized openings should - Answer-Reduce
the amount of Sand pumped
When treating surface Water, the process of coagularon
will be most affected by the - Answer-pH, alkalinity,
temperature, and chemical Dosage
A rapid sand filter should be backwashed When - Answer-
The loss of head gauge indicated between 6 and 10 feet
State Agency responsince for enforcing the safe drinking
water act in Texas - Answer-Texas Commission on
environmental Quality
What minerals can cause water hardness - Answer-
Calcium and magnesium
ACTUAL EXAM COMPLETE VERIFIED QUESTIONS
AND CORRECT ANSWERS LATEST UPDATE.pdf
The amount of chlorine in mg/L that is used up by reacting
with iron organics of bacteria is called - Answer-Demand
Which of the following is a physical characteristic of
chlorine gas - Answer-Greenish-Yellow Color, heavier
than air, pungent penetrating odor, corrosive
Which of the following would be considered a part of a
hypo-chlorinator system - Answer-Solution feed pump
According to state requirements, all public water Supply
wells should be provided with a raised concrete sealing
block, screened vents, and- - Answer-A flow measuring
device
Drawdown of a water well is determined by - Answer-
Difference in static and pumping levels
,1|Page
pH of water indicates - Answer-If it's acidic or basic
The pH of water is expressed on a pH scale of - Answer-0-
14
Water that is considered neutral is expressed on the pH
scale at - Answer-7.0
Which of the following is a required Step in collecting a
routine distribution sample for bacteriological testing? -
Answer-Use of an approved, sterile sample container
Sand filtration will remove which of the following from
surface water - Answer-Turbidity
Activated carbon is used in a surface water plant primarily
for - Answer-Taste and odor control
Which or the following chemicals are commonly used as
coagulants in surface water treatment - Answer-Alum and
ferric chloride
,2|Page
Ground storage tanks are required to provided with which
of the following - Answer-Screened vents, an approved
locking roof hatch, an overflow pipe with hinged flap
device, annual inspection and maintenance as needed
An elevated storage tank should be protected against
corrosion by - Answer-Painting, cathodic protection, water
stabilization, and only using galvanized and lead based
primed components
A public water supply system should maintain residual
pressure of 20 psi and a minimum of normal operating
pressure of - Answer-35 psi
Before a new or repaired water line is placed into service,
it must be properly disinfected by providing a chlorine
dosage of _________ and proper detention time - Answer-
50 mg/L
Water bearing formations beneath the earths surface that
are used as a source of water for public water supplies are
- Answer-Aquifers
, 3|Page
The purpose of an air line on a well is - Answer-Determine
Water leves in the well
The mesh size is an important feature of a well screen
because properly sized openings should - Answer-Reduce
the amount of Sand pumped
When treating surface Water, the process of coagularon
will be most affected by the - Answer-pH, alkalinity,
temperature, and chemical Dosage
A rapid sand filter should be backwashed When - Answer-
The loss of head gauge indicated between 6 and 10 feet
State Agency responsince for enforcing the safe drinking
water act in Texas - Answer-Texas Commission on
environmental Quality
What minerals can cause water hardness - Answer-
Calcium and magnesium
