TCEQ Class C Water License Exam Questions And Correct Answers
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Course
TCEQ Class C Water License
Institution
TCEQ Class C Water License
TCEQ Class C Water License ExamQuestionsAndCorrect AnswersState Agency responsince for enforcing the safe drinking water act in Texas
Texas Commission on environmental Quality
What minerals can cause water hardness
Calcium and magnesium
A public water system must at all times provide
Adequate ...
TCEQ Class C Water License Exam Questions And
Correct Answers
State Agency responsince for enforcing the safe drinking water act in Texas
Texas Commission on environmental Quality
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 supplies are an indication that
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
Dysentery
The most common disinfecting chemical used in disinfection of small water supplies is
Calcium hypochlorite
A physical connection between a potable water supply and house well would be
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A cross connection
Milligrams per liter of chlorine used up by reacting with the 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 the state rules and regulations, each public water Supply wells shall be
installed with an elevated concrete sealing block, screened vents, and-
A flow measuring device
Drawdown of a well water is determined by
Static and pumping level variation
pH of water provides
If it's acidic or basic
The pH of water is represented on a pH scale of
0-14
Neutral water on pH scale is represented at
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7.0
Which of the following is an essential Step in routine distribution sample collection for
bacteriological testing?
Use of an approved, sterile sample container
Sand filtration will eliminate which of the following from surface water
Turbidity
Activated carbon in a surface water plant is primarily used for
Taste and odor control
Which or the following chemicals are surface water treatment commonly used as
coagulants
Alum and ferric chloride
Ground storage tanks are required to provided with which of the following
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
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
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