1|Page
TEXAS WATER WELL PUMP INSTALLER LICENSE
EXAMINATION COMPLETE VERIFIED QUESTIONS
AND DETAILED SOLUTIONS NEWEST UPDATE THIS
YEAR JUST RELEASED
Fecal coliform organisms sometimes found in water
supplies are an indication that - Answer-Water supply is
contaminated, harmful bacteria may be present, possible
pathogenic organisms in the water, water is unsuitable for
drinking
A disease that may be spread by inadequately disinfected
water - Answer-Dysentery
A common chemical used in disinfection of small water
supply is - Answer-Calcium hypochlorite
A physical connection between a potable water supply and
house well would be - Answer-A cross connection
The amount of chlorine in mg/L that is used up by reacting
with iron organics of bacteria is called - Answer-Demand
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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
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
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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
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
TEXAS WATER WELL PUMP INSTALLER LICENSE
EXAMINATION COMPLETE VERIFIED QUESTIONS
AND DETAILED SOLUTIONS NEWEST UPDATE THIS
YEAR JUST RELEASED
Fecal coliform organisms sometimes found in water
supplies are an indication that - Answer-Water supply is
contaminated, harmful bacteria may be present, possible
pathogenic organisms in the water, water is unsuitable for
drinking
A disease that may be spread by inadequately disinfected
water - Answer-Dysentery
A common chemical used in disinfection of small water
supply is - Answer-Calcium hypochlorite
A physical connection between a potable water supply and
house well would be - Answer-A cross connection
The amount of chlorine in mg/L that is used up by reacting
with iron organics of bacteria is called - Answer-Demand
,2|Page
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
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
, 3|Page
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
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
