TCEQ Basic Water Ops Test Questions
and Answers
1. what is the name of state agency responsible for enforcing the
safe drinking water program in Texas?
A- Texas water and development
B- Texas department of water resources
C- Texas section of EPA
D- Texas water resource and conservation commission
E- Texas commission on environmental quality: E. Texas Commission on
Environmental quality (formally known as TNRCC)
2. what materials are associated with water hardness?
A- Chlorine and magnesium
B- calcium and magnesium
C- sulfates and chlorides
D- carbon and nitrogen
E- chlorine and hydrogen: E. Calcium and Magnesium
3. A Public water system MUST at all times provide -
A- adequate quantity of water
,B- adequate water pressure
C- adequate disinfection
D- All of the above
E- Only A&C: D- All of the above
4. A source of groundwater would be-
A- Aquifer
B- River
C- Lake
D- Stream
E- Only A&C: A- Aquafer
5. Fecal Coliform Organisms sometimes found in water supplies are
an indica- tion that-
A- the water supply is contaminated
B- harmful bacteria may be present
C-possible pathogenic organism are in the water
D- the water is unsuitable for drinking
E- all of the above: E- all of the above
6. A Disease that may be spread by inadequately disinfected water is -
A- Acquired Immune Deficiency Syndrome
,B- polio
C- Smallpox
D- Dysentery
E- All of the above: D- Dysentery
7. A Common chemical used in the disinfection of a small water supply
is-
A- Bromine
B- Fluoride
C- Sodium Hydroxide
D- Sodium Benzene
E- Calcium Hypochlorite: D- Calcium Hypochlorite
8. A Public water supply system should maintain a system residual
pressure of 20psi and minimum normal operating pressure of-
A- 35 psi
B- 40
psi C-
45 psi
D- None of the above
E- No rule exists regarding minimum operating pressure: A- 35 psi
, 9. The amount of chlorine in mg/L that is used up by reacting with iron,
organics, or Bactria is called.
A- Demand
B- Disinfection
C- Treatment
D- Dosage
E- Residual: A- Demand
10. the MOST important treatment in water is ?
A- Disinfection
B- Fluoride injection
C- Flocculation
D- Organic removal
E- Both e & c: A- Disinfection
11. Which of the following would be considered a part(s) of a
hypo-chlorinator system.
A- Solution feed pump
B- Scale
C- Rotameter
D- 150 Ib Cylinder
and Answers
1. what is the name of state agency responsible for enforcing the
safe drinking water program in Texas?
A- Texas water and development
B- Texas department of water resources
C- Texas section of EPA
D- Texas water resource and conservation commission
E- Texas commission on environmental quality: E. Texas Commission on
Environmental quality (formally known as TNRCC)
2. what materials are associated with water hardness?
A- Chlorine and magnesium
B- calcium and magnesium
C- sulfates and chlorides
D- carbon and nitrogen
E- chlorine and hydrogen: E. Calcium and Magnesium
3. A Public water system MUST at all times provide -
A- adequate quantity of water
,B- adequate water pressure
C- adequate disinfection
D- All of the above
E- Only A&C: D- All of the above
4. A source of groundwater would be-
A- Aquifer
B- River
C- Lake
D- Stream
E- Only A&C: A- Aquafer
5. Fecal Coliform Organisms sometimes found in water supplies are
an indica- tion that-
A- the water supply is contaminated
B- harmful bacteria may be present
C-possible pathogenic organism are in the water
D- the water is unsuitable for drinking
E- all of the above: E- all of the above
6. A Disease that may be spread by inadequately disinfected water is -
A- Acquired Immune Deficiency Syndrome
,B- polio
C- Smallpox
D- Dysentery
E- All of the above: D- Dysentery
7. A Common chemical used in the disinfection of a small water supply
is-
A- Bromine
B- Fluoride
C- Sodium Hydroxide
D- Sodium Benzene
E- Calcium Hypochlorite: D- Calcium Hypochlorite
8. A Public water supply system should maintain a system residual
pressure of 20psi and minimum normal operating pressure of-
A- 35 psi
B- 40
psi C-
45 psi
D- None of the above
E- No rule exists regarding minimum operating pressure: A- 35 psi
, 9. The amount of chlorine in mg/L that is used up by reacting with iron,
organics, or Bactria is called.
A- Demand
B- Disinfection
C- Treatment
D- Dosage
E- Residual: A- Demand
10. the MOST important treatment in water is ?
A- Disinfection
B- Fluoride injection
C- Flocculation
D- Organic removal
E- Both e & c: A- Disinfection
11. Which of the following would be considered a part(s) of a
hypo-chlorinator system.
A- Solution feed pump
B- Scale
C- Rotameter
D- 150 Ib Cylinder
