Texas Class C Surface Water Exam Review
Questions and Answers
1. A disease that cannot be contracted by drinking contaminated water
is:: Malaria
2. 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
3. When used in connection with the Safe Drinking Water Act, the
term "MCL" means:: Maximum Contaminant Level
4. Examples of non-community water systems include:: Highway rest
areas
5. The TCEQ requires that results be recorded and submitted daily
for surface water supplies for:: Disinfectant residuals, turbidity, total solids, pH, alkalinity
6. tracking and maintaining an operator's training records is
ultimately the responsibility of the:: Operator
7. An employee without a breathing apparatus is in a room where
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,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
8. Before changing a gas chlorine cylinder in a room, the first
step should be:: Start the exhaust vent fan
9. 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
10. 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
11. 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
12. 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;
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, (b) 25; (c) 60
13. Most of the surface water in Texas comes from:: Precipitation that falls
within the state
14. The most important factor in preventing accidents is:: The attitude of
the employee
15. Organics in surface water will combine with halogens to form::
Trihalomethanes
16. According to the average annual water budget for Texas,
the majority of surface water leaves the state by:: Evaporation and
transpiration
17. The term water stabilization refers to:: pH adjustment
18. Which pH measurements would indicate that water is basic:
(6.0; 6.9; 7.0;
8.3): 8.3
19. The Safe Water Drinking Act has set water quality standards
for which cate- gory?: Physical and chemical, radiological, and bacteriological
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Questions and Answers
1. A disease that cannot be contracted by drinking contaminated water
is:: Malaria
2. 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
3. When used in connection with the Safe Drinking Water Act, the
term "MCL" means:: Maximum Contaminant Level
4. Examples of non-community water systems include:: Highway rest
areas
5. The TCEQ requires that results be recorded and submitted daily
for surface water supplies for:: Disinfectant residuals, turbidity, total solids, pH, alkalinity
6. tracking and maintaining an operator's training records is
ultimately the responsibility of the:: Operator
7. An employee without a breathing apparatus is in a room where
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18
,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
8. Before changing a gas chlorine cylinder in a room, the first
step should be:: Start the exhaust vent fan
9. 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
10. 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
11. 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
12. 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;
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18
, (b) 25; (c) 60
13. Most of the surface water in Texas comes from:: Precipitation that falls
within the state
14. The most important factor in preventing accidents is:: The attitude of
the employee
15. Organics in surface water will combine with halogens to form::
Trihalomethanes
16. According to the average annual water budget for Texas,
the majority of surface water leaves the state by:: Evaporation and
transpiration
17. The term water stabilization refers to:: pH adjustment
18. Which pH measurements would indicate that water is basic:
(6.0; 6.9; 7.0;
8.3): 8.3
19. The Safe Water Drinking Act has set water quality standards
for which cate- gory?: Physical and chemical, radiological, and bacteriological
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