Questions & Expertly Verified
Quiz_________________?
- Atmospheric vacuum breaker
- pressure vacuum breaker
- testable double check valve assemblies
- reduced pressure zoning devices -
Answer✅
When an air gap is not practical, other acceptable back flow prevention devices are
acceptable (depending on application. All of the following are acceptable in certain
circumstances
Quiz_________________?
- Call for assistance and wait
- put on self contained breathing apparatus and attach lifeline
- once assistance arrives- enter the room and shut off the valve on the cylinder and wait for
exhaust fan to evacuate the chlorine from the room -
Answer✅
If an operator discovers a Chlorine on a 150 lb. Cylinder inside a room he/she should
immediately-
1
, Quiz_________________?
- Immediately notify TCEQ Regional office and they will notify law enforcement and
investigate to determine if there is a danger or threat to public health and safety
- pull the electrical disconnect on the pumps and close valves isolating the tank until it can
be analyzed -
Answer✅
A certified operator doing their routine daily checks of wells, pumps, and storage facilities
discovers a cut lock on the entry gate, there is also a cut lock on the roof hatch to the
storage tank and suspicious looking containers lying on the ground that do not belong.
What should the Operator do?
Quiz_________________?
- internal and external corrosion
- improper backfill and lack of proper bedding -
Answer✅
The primary reason for main line failures in the distribution system is -
Quiz_________________?
- Low distribution psi
- water outages
- repeated unacceptable bact samples
- failure to maintain good chlorine (Cl2) residual -
Answer✅
A boil-water notice can be triggered by-
Quiz_________________?
2
, - Pumps and chemical usage
- date of dead-end flushing and storage tanks cleared
- microbial tests and chemical tests -
Answer✅
Public water systems in Texas are required to compile and maintain reports showing
Quiz_________________?
- Safe for human consumption
- has a chlorine residual
- free of disease causing organisms -
Answer✅
Potable water means the water is
Quiz_________________?
0-14 -
Answer✅
The pH of water is expressed on a pH scale of
Quiz_________________?
0.2 mg/L free chlorine residual, 0.8 mg/L chloramine residual when using chloramine
treatment, 0.5 mg/L chloramine for surface water supply, 0.5 mg/L free chlorine residual for
ground water Supply -
Answer✅
Which of the following is an acceptable disinfection residual at the far reaches of the
distribution System
3
, Quiz_________________?
0.6 gpm -
Answer✅
TCEQ requires community water systems to have a minimum production capacity of
_______ per connection at peak demand
Quiz_________________?
0.433 lbs. (1 ft. Water creates 0.433 psi of pressure) -
Answer✅
One foot of water inside a storage vessel will raise a pressure gauge at the bottom of the
vessel by
Quiz_________________?
1 1/2 times as great as the normal operating psi -
Answer✅
When pressure testing water mains the test pressure should be
Quiz_________________?
1,000 feet -
Answer✅
A raw water intake structure may not be constructed with ___________ feet of a boat
ramp, dock, or marina
Quiz_________________?
4
Quiz_________________?
- Atmospheric vacuum breaker
- pressure vacuum breaker
- testable double check valve assemblies
- reduced pressure zoning devices -
Answer✅
When an air gap is not practical, other acceptable back flow prevention devices are
acceptable (depending on application. All of the following are acceptable in certain
circumstances
Quiz_________________?
- Call for assistance and wait
- put on self contained breathing apparatus and attach lifeline
- once assistance arrives- enter the room and shut off the valve on the cylinder and wait for
exhaust fan to evacuate the chlorine from the room -
Answer✅
If an operator discovers a Chlorine on a 150 lb. Cylinder inside a room he/she should
immediately-
1
, Quiz_________________?
- Immediately notify TCEQ Regional office and they will notify law enforcement and
investigate to determine if there is a danger or threat to public health and safety
- pull the electrical disconnect on the pumps and close valves isolating the tank until it can
be analyzed -
Answer✅
A certified operator doing their routine daily checks of wells, pumps, and storage facilities
discovers a cut lock on the entry gate, there is also a cut lock on the roof hatch to the
storage tank and suspicious looking containers lying on the ground that do not belong.
What should the Operator do?
Quiz_________________?
- internal and external corrosion
- improper backfill and lack of proper bedding -
Answer✅
The primary reason for main line failures in the distribution system is -
Quiz_________________?
- Low distribution psi
- water outages
- repeated unacceptable bact samples
- failure to maintain good chlorine (Cl2) residual -
Answer✅
A boil-water notice can be triggered by-
Quiz_________________?
2
, - Pumps and chemical usage
- date of dead-end flushing and storage tanks cleared
- microbial tests and chemical tests -
Answer✅
Public water systems in Texas are required to compile and maintain reports showing
Quiz_________________?
- Safe for human consumption
- has a chlorine residual
- free of disease causing organisms -
Answer✅
Potable water means the water is
Quiz_________________?
0-14 -
Answer✅
The pH of water is expressed on a pH scale of
Quiz_________________?
0.2 mg/L free chlorine residual, 0.8 mg/L chloramine residual when using chloramine
treatment, 0.5 mg/L chloramine for surface water supply, 0.5 mg/L free chlorine residual for
ground water Supply -
Answer✅
Which of the following is an acceptable disinfection residual at the far reaches of the
distribution System
3
, Quiz_________________?
0.6 gpm -
Answer✅
TCEQ requires community water systems to have a minimum production capacity of
_______ per connection at peak demand
Quiz_________________?
0.433 lbs. (1 ft. Water creates 0.433 psi of pressure) -
Answer✅
One foot of water inside a storage vessel will raise a pressure gauge at the bottom of the
vessel by
Quiz_________________?
1 1/2 times as great as the normal operating psi -
Answer✅
When pressure testing water mains the test pressure should be
Quiz_________________?
1,000 feet -
Answer✅
A raw water intake structure may not be constructed with ___________ feet of a boat
ramp, dock, or marina
Quiz_________________?
4
