CLASS D WATER TCEQ|QUESTION WITH
CORRECT ANSWERS
SCBA - ✔️✔️If chlorine gas is used as a disinfectant, a self-contained breathing
apparatus _____ must be readily available
Free chlorine: - ✔️✔️Factors that make water more corrosive are low pH, dissolved
oxygen, and ___________?
Campgrounds - ✔️✔️Public water systems include cities, municipal utility districts,
rural water supply corporations, mobile home parks, and ___________?
5 feet - ✔️✔️When a vertical entry of ________ or more is made into a confined
space, the retrieval line must be attached to a mechanical retrieval device.
Sewage contamination - ✔️✔️The air gap is the only cross connection control
method approved by the TCEQ for protection against _________?
Hypochlorus (HOCl) - ✔️✔️Chlorine and water make 2 acids: hydrochloric (HCl) and
_________?
dissolved solids - ✔️✔️Most surface water is low in minerals, gases, and
__________?
4 feet - ✔️✔️If the excavation is __ or deeper, a means of entry and exit must be
provided.
CORRECT ANSWERS
SCBA - ✔️✔️If chlorine gas is used as a disinfectant, a self-contained breathing
apparatus _____ must be readily available
Free chlorine: - ✔️✔️Factors that make water more corrosive are low pH, dissolved
oxygen, and ___________?
Campgrounds - ✔️✔️Public water systems include cities, municipal utility districts,
rural water supply corporations, mobile home parks, and ___________?
5 feet - ✔️✔️When a vertical entry of ________ or more is made into a confined
space, the retrieval line must be attached to a mechanical retrieval device.
Sewage contamination - ✔️✔️The air gap is the only cross connection control
method approved by the TCEQ for protection against _________?
Hypochlorus (HOCl) - ✔️✔️Chlorine and water make 2 acids: hydrochloric (HCl) and
_________?
dissolved solids - ✔️✔️Most surface water is low in minerals, gases, and
__________?
4 feet - ✔️✔️If the excavation is __ or deeper, a means of entry and exit must be
provided.