TCEQ CLASS C WATER LICENSE FINAL EXAM | WITH COMPLETE QUESTIONS AND
ANSWERS | 2025/2026 LATEST UPDATED | 100 % RATED AND VERIFIED SOLUTIONS |
GET AN A+
A non permit confined space by OSHA standards means a confined space that- - (ANSWER)Does not contain or have
the potential to contain any hazard capable of causing death
Examples of non-community (non-transient) water systems include- - (ANSWER)Highway rest areas, RV park, Service
stations, Hotel/Motel
An employee without a breathing apparatus is in a room where chlorine gas suddenly begins leaking. What should the
employee do first? - (ANSWER)Keep mouth closed, keep head as high as possible, and quickly walk out of the room,
holding his breath if possible.
Waterworks operators holding grade C certificates are required to renew their certificates every three years and to: -
(ANSWER)inform TCEQ of any address changes.
What responsibility does an operator with a C license have? - (ANSWER)Keep up with renewal criteria, and
notification of address change.
The major responsibility of a certified waterworks operator is to- - (ANSWER)Insure that a safe and adequate supply of
drinking water is delivered to the customers tap.
,What is the proper way to flow test and check pressure? - (ANSWER)Fire hydrant.
At what PH does water become considered acidic? - (ANSWER)5.5
Which pH measurements would indicate that water is basic- - (ANSWER)8.3
a pH reading of 6.0 in raw water indicates that the sample is what? - (ANSWER)Acidic
If any organic matter is added during repair or installation? - (ANSWER)Detreated cl2
The rules and regulations for Public Water Systems states that minimum pressures in all water distribution systems must
not be less than 20psi and that normal operating pressures must not be less than- - (ANSWER)35psi
TCEQ rules require that water systems maintain a minimum of ____ psi throughout the distribution system under normal
operating conditions and shall not be less than ___ psi in emergencies - (ANSWER)35/20
Maintaining the minimum of operating pressure in the distribution system helps prevent - (ANSWER)Cross Connection
Customer complaints
Waterborne Diseases
,Backflow contamination
Air in the distribution system
The purpose of water mains is- - (ANSWER)To transport water throughout the system
To provide water for fire protection
To reduce the number of private wells within a providers service area
To insure customers have a water source.
All of the above
It is recommended that all underground main line valves be operated at least- - (ANSWER)Yearly/Annually
If an operator enters a well house and hears a noise coming from the pump that sounds like pinging or gravel being
pumped; more than likely the pump has- - (ANSWER)Cavitation
If 2 towers are connected in your system what valve would be best used? - (ANSWER)Altitude
An altitude valve is used to- - (ANSWER)Control the water elevation in an elevated storage tank.
, Two pressure gauges at the foot of two storage tanks are at the same elevation. The water levels in the two tanks are the
same, but tank X holds 1,000,000 gallons of water and tank Y holds 500,000 gallons. The gauge on tank X will have a
reading of- - (ANSWER)The same as that of tank Y
From the center line of pump outlet to the highest pumping altitude is considered- - (ANSWER)Head
What is an approved TCEQ method to prevent cross connection? - (ANSWER)Air Gap
what is the only approved method for cross-connection control? - (ANSWER)an air gap
After installation or repair of a water line it should be treated with- - (ANSWER)50mg/L of chlorine for 24hrs
When you install a new line what is the proper procedure to put in service? - (ANSWER)Pressure test, flush, chlorinate,
flush, sample
When a section of water main is replaced, any organic material allowed to remain inside the pipe will- -
(ANSWER)Increase chlorine demand, and decrease chlorine residual.
What can cause pump vibration? - (ANSWER)Misalignment
What is the best way to prolong this life of a centrifugal pump? - (ANSWER)Power and sizing
ANSWERS | 2025/2026 LATEST UPDATED | 100 % RATED AND VERIFIED SOLUTIONS |
GET AN A+
A non permit confined space by OSHA standards means a confined space that- - (ANSWER)Does not contain or have
the potential to contain any hazard capable of causing death
Examples of non-community (non-transient) water systems include- - (ANSWER)Highway rest areas, RV park, Service
stations, Hotel/Motel
An employee without a breathing apparatus is in a room where chlorine gas suddenly begins leaking. What should the
employee do first? - (ANSWER)Keep mouth closed, keep head as high as possible, and quickly walk out of the room,
holding his breath if possible.
Waterworks operators holding grade C certificates are required to renew their certificates every three years and to: -
(ANSWER)inform TCEQ of any address changes.
What responsibility does an operator with a C license have? - (ANSWER)Keep up with renewal criteria, and
notification of address change.
The major responsibility of a certified waterworks operator is to- - (ANSWER)Insure that a safe and adequate supply of
drinking water is delivered to the customers tap.
,What is the proper way to flow test and check pressure? - (ANSWER)Fire hydrant.
At what PH does water become considered acidic? - (ANSWER)5.5
Which pH measurements would indicate that water is basic- - (ANSWER)8.3
a pH reading of 6.0 in raw water indicates that the sample is what? - (ANSWER)Acidic
If any organic matter is added during repair or installation? - (ANSWER)Detreated cl2
The rules and regulations for Public Water Systems states that minimum pressures in all water distribution systems must
not be less than 20psi and that normal operating pressures must not be less than- - (ANSWER)35psi
TCEQ rules require that water systems maintain a minimum of ____ psi throughout the distribution system under normal
operating conditions and shall not be less than ___ psi in emergencies - (ANSWER)35/20
Maintaining the minimum of operating pressure in the distribution system helps prevent - (ANSWER)Cross Connection
Customer complaints
Waterborne Diseases
,Backflow contamination
Air in the distribution system
The purpose of water mains is- - (ANSWER)To transport water throughout the system
To provide water for fire protection
To reduce the number of private wells within a providers service area
To insure customers have a water source.
All of the above
It is recommended that all underground main line valves be operated at least- - (ANSWER)Yearly/Annually
If an operator enters a well house and hears a noise coming from the pump that sounds like pinging or gravel being
pumped; more than likely the pump has- - (ANSWER)Cavitation
If 2 towers are connected in your system what valve would be best used? - (ANSWER)Altitude
An altitude valve is used to- - (ANSWER)Control the water elevation in an elevated storage tank.
, Two pressure gauges at the foot of two storage tanks are at the same elevation. The water levels in the two tanks are the
same, but tank X holds 1,000,000 gallons of water and tank Y holds 500,000 gallons. The gauge on tank X will have a
reading of- - (ANSWER)The same as that of tank Y
From the center line of pump outlet to the highest pumping altitude is considered- - (ANSWER)Head
What is an approved TCEQ method to prevent cross connection? - (ANSWER)Air Gap
what is the only approved method for cross-connection control? - (ANSWER)an air gap
After installation or repair of a water line it should be treated with- - (ANSWER)50mg/L of chlorine for 24hrs
When you install a new line what is the proper procedure to put in service? - (ANSWER)Pressure test, flush, chlorinate,
flush, sample
When a section of water main is replaced, any organic material allowed to remain inside the pipe will- -
(ANSWER)Increase chlorine demand, and decrease chlorine residual.
What can cause pump vibration? - (ANSWER)Misalignment
What is the best way to prolong this life of a centrifugal pump? - (ANSWER)Power and sizing
