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
, Texas Class C Surface Water Exam Review
the plant must be provided with: - correct 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: - 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