TEXAS CLASS C SURFACE WATER EXAM REVIEW QUESTIONS
AND 100% CORRECT ANSWERS | LATEST UPDATE
A disease that cannot be contracted by drinking contaminated water is:
Malaria
A non-permit confined space by OSHA standards means a confined space that:
Does not contain or have the potential to contain any hazard capable of causing death
When used in connection with the Safe Drinking Water Act, the term "MCL" means:
Maximum Contaminant Level
Examples of non-community water systems include:
Highway rest areas
The TCEQ requires that results be recorded and submitted daily for surface water supplies for:
Disinfectant residuals, turbidity, total solids, pH, alkalinity
tracking and maintaining an operator's training records is ultimately the responsibility of the:
Operator
An employee without a breathing apparatus is in a room where chlorine gas suddenly begins
leaking. What should the employee do first?
Keep mouth closed, keep head as high as possible, and quickly walk out of the room, holding
their breath if possible
,Before changing a gas chlorine cylinder in a room, the first step should be:
Start the exhaust vent fan
Waterworks operator's holding grade c certificates are required to renew their certificates
every three years and to:
Inform the TCEQ of any address changes
In order to insure that the water produced meets TCEQ standards, each surface water
treatment plant must have a surface water operator on duty at all times when the plant is in
operation or the plant must be provided with:
Continuous turbidity and disinfectant residual monitors, automatic alarm systems, and an
automatic shutdown system
The major responsibility of a certified waterworks operator is to:
Insure that a safe and adequate supply of drinking water is delivered to the customer's tap
According to the TCEQ, a public water system is defined as any water system that provides
piped water for human consumption to at least _(a)_ service connections on a year-round basis
or regularly serves _(b)_ individuals daily at least_(c)_ days out of the year.
(a) 15; (b) 25; (c) 60
Most of the surface water in Texas comes from:
Precipitation that falls within the state
The most important factor in preventing accidents is:
The attitude of the employee
, Organics in surface water will combine with halogens to form:
Trihalomethanes
According to the average annual water budget for Texas, the majority of surface water leaves
the state by:
Evaporation and transpiration
The term water stabilization refers to:
pH adjustment
Which pH measurements would indicate that water is basic: (6.0; 6.9; 7.0; 8.3)
8.3
The Safe Water Drinking Act has set water quality standards for which category?
Physical and chemical, radiological, and bacteriological
When a coagulant reacts with finely divided and suspended material in raw water, a:
Floc is formed
The Rules and Regulations for Public Water Systems require straight flow rectangular
sedimentation basins to be designed to provide a detention time of at least:
6 hours
Which of the following statements regarding sedimentation process is true:
AND 100% CORRECT ANSWERS | LATEST UPDATE
A disease that cannot be contracted by drinking contaminated water is:
Malaria
A non-permit confined space by OSHA standards means a confined space that:
Does not contain or have the potential to contain any hazard capable of causing death
When used in connection with the Safe Drinking Water Act, the term "MCL" means:
Maximum Contaminant Level
Examples of non-community water systems include:
Highway rest areas
The TCEQ requires that results be recorded and submitted daily for surface water supplies for:
Disinfectant residuals, turbidity, total solids, pH, alkalinity
tracking and maintaining an operator's training records is ultimately the responsibility of the:
Operator
An employee without a breathing apparatus is in a room where chlorine gas suddenly begins
leaking. What should the employee do first?
Keep mouth closed, keep head as high as possible, and quickly walk out of the room, holding
their breath if possible
,Before changing a gas chlorine cylinder in a room, the first step should be:
Start the exhaust vent fan
Waterworks operator's holding grade c certificates are required to renew their certificates
every three years and to:
Inform the TCEQ of any address changes
In order to insure that the water produced meets TCEQ standards, each surface water
treatment plant must have a surface water operator on duty at all times when the plant is in
operation or the plant must be provided with:
Continuous turbidity and disinfectant residual monitors, automatic alarm systems, and an
automatic shutdown system
The major responsibility of a certified waterworks operator is to:
Insure that a safe and adequate supply of drinking water is delivered to the customer's tap
According to the TCEQ, a public water system is defined as any water system that provides
piped water for human consumption to at least _(a)_ service connections on a year-round basis
or regularly serves _(b)_ individuals daily at least_(c)_ days out of the year.
(a) 15; (b) 25; (c) 60
Most of the surface water in Texas comes from:
Precipitation that falls within the state
The most important factor in preventing accidents is:
The attitude of the employee
, Organics in surface water will combine with halogens to form:
Trihalomethanes
According to the average annual water budget for Texas, the majority of surface water leaves
the state by:
Evaporation and transpiration
The term water stabilization refers to:
pH adjustment
Which pH measurements would indicate that water is basic: (6.0; 6.9; 7.0; 8.3)
8.3
The Safe Water Drinking Act has set water quality standards for which category?
Physical and chemical, radiological, and bacteriological
When a coagulant reacts with finely divided and suspended material in raw water, a:
Floc is formed
The Rules and Regulations for Public Water Systems require straight flow rectangular
sedimentation basins to be designed to provide a detention time of at least:
6 hours
Which of the following statements regarding sedimentation process is true:
