Texas Class D Water Distribution study guide QUESTIONS AND ANSWERS 100% CORRECT!
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Course
Texas Class D Water Distribution QUEST
Institution
Texas Class D Water Distribution QUEST
A public water system MUST at all times provide?
A. Adequate quantity of water
B. Adequate water pressure
c. Adequate disinfection
D. All of the above - ANSWER D. All of the above
A Source of groundwater would be? - ANSWER Aquifer
Fecal Coliform organisms sometimes found in water suppl...
, Texas Class D Water Distribution study
guide QUESTIONS AND ANSWERS 100%
CORRECT!
What is the name of the State Agency responsible for enforcing the Safe Drinking Water
Act? - ANSWER Texas Commission on Environmental Quality
what Minerals are associated with water hardness? - ANSWER Calcium and
magnesium
A public water system MUST at all times provide?
A. Adequate quantity of water
B. Adequate water pressure
c. Adequate disinfection
D. All of the above - ANSWER D. All of the above
A Source of groundwater would be? - ANSWER Aquifer
Fecal Coliform organisms sometimes found in water supplies are an indication that?
A. The water Supply is Contaminated
B. Harmful Bacteria may be present
C. Possible pathogenic organisms are in the water
D. The water is unsuitable for drinking
E. All of the above - ANSWER E. All of the above
A disease that may be spread by inadequately disinfected water is - ANSWER
Dysentery
A Common Chemical used in the disinfection of a small water Supply is - ANSWER
Calcium hypochlorite
A public water Supply system should maintain a system residual pressure of 20 psi and
a minimum normal operating pressure of _____ - ANSWER 35 psi
The amount of chlorine in mg/L that is used by reacting with iron, organics or bacteria is
called - ANSWER Demand
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