Texas Class D Water License EXAM
COMPLETE QUESTIONS AND CORRECT
ANSWERS LATEST UPDATE THIS YEAR
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
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
COMPLETE QUESTIONS AND CORRECT
ANSWERS LATEST UPDATE THIS YEAR
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
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
