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Texas Class C Surface Water Exam
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A disease that cannot be contracted by drinking contaminated water is: - ANSWER Malaria
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
When used in connection with the Safe Drinking Water Act, the term "MCL" means: - ANSWER
Maximum Contaminant Level
Examples of non-community water systems include: - ANSWER Highway rest areas
The TCEQ requires that results be recorded and submitted daily for surface water supplies for: -
ANSWER Disinfectant residuals, turbidity, total solids, pH, alkalinity
tracking and maintaining an operator's training records is ultimately the responsibility of the: - ANSWER
Operator
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 their breath if possible
Before changing a gas chlorine cylinder in a room, the first step should be: - ANSWER Start the exhaust
vent fan
, Texas Class C Surface Water Exam
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Waterworks operator's holding grade c certificates are required to renew their certificates every three
years and to: - 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: - ANSWER Continuous turbidity and disinfectant residual monitors, automatic alarm
systems, and an automatic shutdown system
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 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. - ANSWER (a) 15; (b) 25; (c) 60
Most of the surface water in Texas comes from: - ANSWER Precipitation that falls within the state
The most important factor in preventing accidents is: - ANSWER The attitude of the employee
Organics in surface water will combine with halogens to form: - ANSWER Trihalomethanes
According to the average annual water budget for Texas, the majority of surface water leaves the state
by: - ANSWER Evaporation and transpiration
The term water stabilization refers to: - ANSWER pH adjustment
Which pH measurements would indicate that water is basic: (6.0; 6.9; 7.0; 8.3) - ANSWER 8.3