Complete Solutions Graded A+
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
containment level
examples of non-community water systems include - Answer: highway rest areas
the TCEQ requires that results be recorded 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 withought 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 the room, holding his breath if possible
before charging a gas chlorine cylinder in a room, the first step should be - Answer: start exhaust vent
fan
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 alarms
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 customers 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 _ service connections on a year-round basis or regularly serves _
individuals daily at least_ days out of the year - Answer: 15 25 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 halogen to form - Answer: trihaolmethanes
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 adjustments
which pH measurement would indicate that water is basic (6.0;6.9;7.0;8.3) - Answer: 8.3
the safe water drinking act has set water quality standards for which category - Answer: physical and
chemical, radiological, and bacteriological
when a coagulant reacts with finely divided and suspended material in raw water, a - Answer: floc is
formed
the rules and regulations for public water systems require straight flow rectangular sedimentation
basins to be designed to provide detention time of at least - Answer: 6 hours