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Texas Class D Water License 2023 Solved 100% Correct!!
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Texas Class D Water License 2023 Solved 100% Correct!!
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By: johnrunyon91 • 9 months ago
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Texas Class D Water License 2023 Solved 100% Correct!!Ground storage at a surface water treatment receiving the treated water is called the? - Answer clear well
The TCEQ requires all storage tanks to have screened vents, licked hatches, a dust-
proof cover, overflows with hinged flaps, and - Answer entry ports
Total storage capacity (elevated storage included) must be how many gallons? - Answer 200
Storage tanks must be painted, disinfected, and maintained according to what standards? - Answer AWWA
Coatings on storage tanks for contact with potable water must be approved by? - Answer EPA
Each foot of a water column produces how much psi? - Answer 0.433
What is the state minimum normal operating pressure? - Answer 35 psi
Elevated storage is water stored at least how many feet above the highest service connection? - Answer 80
A ? is a tank resting on the ground that is greater in height than diameter? - Answer standpipe
What kind of tank also known as (hydropneumatic tanks) are cylindrical and horizontal to the ground. - Answer pressure tanks
Annual inspections on tanks must be inspected how often? - Answer yearly
Cathodic protection is an ? method for preventing corrosion of the interior of metal tanks? - Answer electrochemical
The TCEQ requires distribution system pressure to never fall below ? psi. - Answer 20
Under normal operating conditions, the distribution pressure must be at least ? psi. - Answer 35
Storage facilities ? demand on the water supply? - Answer equalize
Storage allows uniform pump rates, supplies water for fire fighting, and provides time
for ? - Answer disenfection
Ground storage at a surface water treatment plant is called a ? - Answer clear well
The TCEQ requires storage tanks to have covered vents, locked hatches, a dust-
proof cover, overflows with hinged flaps, and ? - Answer entry ports Texas Class D Water License 2023 Solved 100% Correct!!
If a 30-inch diameter access opening is not provided in a storage tank, the primary roof access must not be less than ? inches. - Answer 30
No paint, coating, or wax containing ? is allowed. - Answer lead
Coatings for contact with potable water must be approved by ? , the National Sanitation Foundation, or the Food and Drug Administration. - Answer EPA
An elevated storage tank is usually ? supported above ground on a tower. - Answer steel
Pressure from an elevated tank is maintained by the ? of the water column. - Answer
height
A ? is a tank resting on the ground that is greater in height than diameter. - Answer standpipe
Storage tank inspection results must be kept at least ? years. - Answer 5
Chain link fence material must leave a gap at the ? trim grass. - Answer ground
The state requires stored water to have a disinfectant ? - Answer residual
After construction or maintenance of storage tank, a ? sample must be taken after filing the tank. - Answer bacteriological
If the bacteriological sample is negative, more samples must be taken until ? consecutive samples are positive. - Answer 2
Critical safeguards of a distribution system include a chlorine residual, adequate pressure, bacteriological sampling and ? - Answer cross connection control
Material used in water line construction must meet ? specifications and should not affect the taste, odor, or quality of the water. - Answer OSHA
Select pipe on the basis of strength, length, carrying capacity, durability, ease of installation, availability, soil conditions, and ? - Answer cost
Prior to January 1, 2014 pipe and fittings containing more that 8.0% lead, or solders and flux containing more than ? percent lead, are prohibited in a public water supply.
- Answer 0.2
Isolating ? cut of sections of a system. - Answer valves
? solves problems of taste, odor, red water, or bad samples. - Answer flushing
The ? is the most common design for residential use. - Answer positive displacement
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