Texas Wastewater Class C Exam Test Bank | All Questions And Correct
Answers | Already Graded A+ | Verified Answers | Latest Version
A disease that cannot be contracted by drinking contaminated water is: - (CORRECT ANSWER)Malaria
A non-permit confined space by OSHA standards means a confined space that: - (CORRECT
ANSWER)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: - (CORRECT
ANSWER)Maximum Contaminant Level
Examples of non-community water systems include: - (CORRECT ANSWER)Highway rest areas
The TCEQ requires that results be recorded and submitted daily for surface water supplies for: -
(CORRECT ANSWER)Disinfectant residuals, turbidity, total solids, pH, alkalinity
tracking and maintaining an operator's training records is ultimately the responsibility of the: -
(CORRECT ANSWER)Operator
An employee without a breathing apparatus is in a room where chlorine gas suddenly begins leaking.
What should the employee do first? - (CORRECT ANSWER)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: - (CORRECT ANSWER)Start
the exhaust vent fan
Waterworks operator's holding grade c certificates are required to renew their certificates every three
years and to: - (CORRECT ANSWER)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: - (CORRECT ANSWER)Continuous turbidity and disinfectant residual monitors,
automatic alarm systems, and an automatic shutdown system
1
, The major responsibility of a certified waterworks operator is to: - (CORRECT ANSWER)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. - (CORRECT ANSWER)(a) 15; (b) 25; (c) 60
Most of the surface water in Texas comes from: - (CORRECT ANSWER)Precipitation that falls within the
state
The most important factor in preventing accidents is: - (CORRECT ANSWER)The attitude of the employee
Organics in surface water will combine with halogens to form: - (CORRECT ANSWER)Trihalomethanes
According to the average annual water budget for Texas, the majority of surface water leaves the state
by: - (CORRECT ANSWER)Evaporation and transpiration
The term water stabilization refers to: - (CORRECT ANSWER)pH adjustment
Which pH measurements would indicate that water is basic: (6.0; 6.9; 7.0; 8.3) - (CORRECT ANSWER)8.3
The Safe Water Drinking Act has set water quality standards for which category? - (CORRECT
ANSWER)Physical and chemical, radiological, and bacteriological
When a coagulant reacts with finely divided and suspended material in raw water, a: - (CORRECT
ANSWER)Floc is formed
2
Answers | Already Graded A+ | Verified Answers | Latest Version
A disease that cannot be contracted by drinking contaminated water is: - (CORRECT ANSWER)Malaria
A non-permit confined space by OSHA standards means a confined space that: - (CORRECT
ANSWER)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: - (CORRECT
ANSWER)Maximum Contaminant Level
Examples of non-community water systems include: - (CORRECT ANSWER)Highway rest areas
The TCEQ requires that results be recorded and submitted daily for surface water supplies for: -
(CORRECT ANSWER)Disinfectant residuals, turbidity, total solids, pH, alkalinity
tracking and maintaining an operator's training records is ultimately the responsibility of the: -
(CORRECT ANSWER)Operator
An employee without a breathing apparatus is in a room where chlorine gas suddenly begins leaking.
What should the employee do first? - (CORRECT ANSWER)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: - (CORRECT ANSWER)Start
the exhaust vent fan
Waterworks operator's holding grade c certificates are required to renew their certificates every three
years and to: - (CORRECT ANSWER)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: - (CORRECT ANSWER)Continuous turbidity and disinfectant residual monitors,
automatic alarm systems, and an automatic shutdown system
1
, The major responsibility of a certified waterworks operator is to: - (CORRECT ANSWER)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. - (CORRECT ANSWER)(a) 15; (b) 25; (c) 60
Most of the surface water in Texas comes from: - (CORRECT ANSWER)Precipitation that falls within the
state
The most important factor in preventing accidents is: - (CORRECT ANSWER)The attitude of the employee
Organics in surface water will combine with halogens to form: - (CORRECT ANSWER)Trihalomethanes
According to the average annual water budget for Texas, the majority of surface water leaves the state
by: - (CORRECT ANSWER)Evaporation and transpiration
The term water stabilization refers to: - (CORRECT ANSWER)pH adjustment
Which pH measurements would indicate that water is basic: (6.0; 6.9; 7.0; 8.3) - (CORRECT ANSWER)8.3
The Safe Water Drinking Act has set water quality standards for which category? - (CORRECT
ANSWER)Physical and chemical, radiological, and bacteriological
When a coagulant reacts with finely divided and suspended material in raw water, a: - (CORRECT
ANSWER)Floc is formed
2
