TCEQ class c water license exam
Terms in this set (158)
State Agency responsince for enforcing the safe Texas Commission on environmental Quality
drinking water act in Texas
What minerals can cause water hardness Calcium and magnesium
A public water system must at all times provide Adequate quantity of water, pressure, and disinfection
A source groundwater would be aquifer
Fecal coliform organisms sometimes found in water Water supply is contaminated, harmful bacteria may be present, possible
supplies are an indication that pathogenic organisms in the water, water is unsuitable for drinking
A disease that may be spread by inadequately Dysentery
disinfected water
A common chemical used in disinfection of small water Calcium hypochlorite
supply is
A physical connection between a potable water supply A cross connection
and house well would be
The amount of chlorine in mg/L that is used up by Demand
reacting with iron organics of bacteria is called
Which of the following is a physical characteristic of Greenish-Yellow Color, heavier than air, pungent penetrating odor, corrosive
chlorine gas
Which of the following would be considered a part of a Solution feed pump
hypo-chlorinator system
According to state requirements, all public water A flow measuring device
Supply wells should be provided with a raised concrete
sealing block, screened vents, and-
, TCEQ class c water license exam
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 7.0
scale at
Which of the following is a required Step in collecting a Use of an approved, sterile sample container
routine distribution sample for bacteriological testing?
Sand filtration will remove which of the following from Turbidity
surface water
Activated carbon is used in a surface water plant Taste and odor control
primarily for
Which or the following chemicals are commonly used Alum and ferric chloride
as coagulants in surface water treatment
Ground storage tanks are required to provided with Screened vents, an approved locking roof hatch, an overflow pipe with hinged
which of the following flap device, annual inspection and maintenance as needed
An elevated storage tank should be protected against Painting, cathodic protection, water stabilization, and only using galvanized
corrosion by and lead based primed components
A public water supply system should maintain residual 35 psi
pressure of 20 psi and a minimum of normal operating
pressure of
Before a new or repaired water line is placed into 50 mg/L
service, it must be properly disinfected by providing a
chlorine dosage of _________ and proper detention time
Water bearing formations beneath the earths surface Aquifers
that are used as a source of water for public water
supplies are
The purpose of an air line on a well is Determine Water leves in the well
The mesh size is an important feature of a well screen Reduce the amount of Sand pumped
because properly sized openings should
Terms in this set (158)
State Agency responsince for enforcing the safe Texas Commission on environmental Quality
drinking water act in Texas
What minerals can cause water hardness Calcium and magnesium
A public water system must at all times provide Adequate quantity of water, pressure, and disinfection
A source groundwater would be aquifer
Fecal coliform organisms sometimes found in water Water supply is contaminated, harmful bacteria may be present, possible
supplies are an indication that pathogenic organisms in the water, water is unsuitable for drinking
A disease that may be spread by inadequately Dysentery
disinfected water
A common chemical used in disinfection of small water Calcium hypochlorite
supply is
A physical connection between a potable water supply A cross connection
and house well would be
The amount of chlorine in mg/L that is used up by Demand
reacting with iron organics of bacteria is called
Which of the following is a physical characteristic of Greenish-Yellow Color, heavier than air, pungent penetrating odor, corrosive
chlorine gas
Which of the following would be considered a part of a Solution feed pump
hypo-chlorinator system
According to state requirements, all public water A flow measuring device
Supply wells should be provided with a raised concrete
sealing block, screened vents, and-
, TCEQ class c water license exam
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 7.0
scale at
Which of the following is a required Step in collecting a Use of an approved, sterile sample container
routine distribution sample for bacteriological testing?
Sand filtration will remove which of the following from Turbidity
surface water
Activated carbon is used in a surface water plant Taste and odor control
primarily for
Which or the following chemicals are commonly used Alum and ferric chloride
as coagulants in surface water treatment
Ground storage tanks are required to provided with Screened vents, an approved locking roof hatch, an overflow pipe with hinged
which of the following flap device, annual inspection and maintenance as needed
An elevated storage tank should be protected against Painting, cathodic protection, water stabilization, and only using galvanized
corrosion by and lead based primed components
A public water supply system should maintain residual 35 psi
pressure of 20 psi and a minimum of normal operating
pressure of
Before a new or repaired water line is placed into 50 mg/L
service, it must be properly disinfected by providing a
chlorine dosage of _________ and proper detention time
Water bearing formations beneath the earths surface Aquifers
that are used as a source of water for public water
supplies are
The purpose of an air line on a well is Determine Water leves in the well
The mesh size is an important feature of a well screen Reduce the amount of Sand pumped
because properly sized openings should
