TCEQ CLASS C WATER LICENSE EXAM QUESTIONS
& VERIFIED CORRECT ANSWERS RATED 100%
CORRECT
1. State Agency responsible for enforcing the Texas Commission on environ
safe drinking water act in Texas mental Quality
2. What minerals can cause water hardness Calcium and magnesium
3. A public water system must at all times provide Adequate quantity of
water,
pressure, and disinfection
4. A source groundwater would be aquifer
5. Fecal coliform organisms sometimes found in wa- Water supply is
contaminated,
ter supplies are an indication that harmful bacteria may be pre-
sent, possible pathogenic
or- ganisms in the water,
water is unsuitable for
drinking
6. A disease that may be spread by inadequately dis- Dysentery
infected water
7. A common chemical used in disinfection of Calcium hypochlorite
small water supply is
8. A physical connection between a potable
A cross connection
water supply and house well would be
9. The amount of chlorine in mg/L that is used up by Demand
reacting with iron organics of bacteria is called
10. Which of the following is a physical Greenish-Yellow Color,
characteristic of chlorine gas
1/
35
,TCEQ CLASS C WATER LICENSE EXAM QUESTIONS
& VERIFIED CORRECT ANSWERS RATED 100%
CORRECT
heavier than air, pungent penetrating odor, corrosive
11. Which of the following would be considered a part Solution feed
pump
of a hypo-chlorinator system
2/
35
,TCEQ CLASS C WATER LICENSE EXAM QUESTIONS
& VERIFIED CORRECT ANSWERS RATED 100%
CORRECT
12. According to state requirements, all A flow measuring device
public water Supply wells should be
provided with a raised con- crete sealing
block, screened vents, and-
13. Drawdown of a water well is determined by Difference in static and pump-
ing levels
14. pH of water indicates If it's acidic or basic
15. The pH of water is expressed on a pH scale of0-14
16. Water that is considered neutral is
expressed on the pH scale at 7.0
17. Which of the following is a required Step in collect- Use of an approved
sterile
ing a routine distribution sample for sample container
bacteriologi- cal testing?
18. Sand filtration will remove which of the Turbidity
following from surface water
19. Activated carbon is used in a surface water
Taste and odor control
plant primarily for
20. Which or the following chemicals are
Alum and ferric chloride
commonly used as coagulants in surface
water treatment
Screened vents, an approved
21. Ground storage tanks are required to
provided with which of the following locking roof hatch, an
overflow pipe with hinged
3/
35
,TCEQ CLASS C WATER LICENSE EXAM QUESTIONS
& VERIFIED CORRECT ANSWERS RATED 100%
CORRECT
flap device, annual inspection and mainte- nance as needed
4/
35
& VERIFIED CORRECT ANSWERS RATED 100%
CORRECT
1. State Agency responsible for enforcing the Texas Commission on environ
safe drinking water act in Texas mental Quality
2. What minerals can cause water hardness Calcium and magnesium
3. A public water system must at all times provide Adequate quantity of
water,
pressure, and disinfection
4. A source groundwater would be aquifer
5. Fecal coliform organisms sometimes found in wa- Water supply is
contaminated,
ter supplies are an indication that harmful bacteria may be pre-
sent, possible pathogenic
or- ganisms in the water,
water is unsuitable for
drinking
6. A disease that may be spread by inadequately dis- Dysentery
infected water
7. A common chemical used in disinfection of Calcium hypochlorite
small water supply is
8. A physical connection between a potable
A cross connection
water supply and house well would be
9. The amount of chlorine in mg/L that is used up by Demand
reacting with iron organics of bacteria is called
10. Which of the following is a physical Greenish-Yellow Color,
characteristic of chlorine gas
1/
35
,TCEQ CLASS C WATER LICENSE EXAM QUESTIONS
& VERIFIED CORRECT ANSWERS RATED 100%
CORRECT
heavier than air, pungent penetrating odor, corrosive
11. Which of the following would be considered a part Solution feed
pump
of a hypo-chlorinator system
2/
35
,TCEQ CLASS C WATER LICENSE EXAM QUESTIONS
& VERIFIED CORRECT ANSWERS RATED 100%
CORRECT
12. According to state requirements, all A flow measuring device
public water Supply wells should be
provided with a raised con- crete sealing
block, screened vents, and-
13. Drawdown of a water well is determined by Difference in static and pump-
ing levels
14. pH of water indicates If it's acidic or basic
15. The pH of water is expressed on a pH scale of0-14
16. Water that is considered neutral is
expressed on the pH scale at 7.0
17. Which of the following is a required Step in collect- Use of an approved
sterile
ing a routine distribution sample for sample container
bacteriologi- cal testing?
18. Sand filtration will remove which of the Turbidity
following from surface water
19. Activated carbon is used in a surface water
Taste and odor control
plant primarily for
20. Which or the following chemicals are
Alum and ferric chloride
commonly used as coagulants in surface
water treatment
Screened vents, an approved
21. Ground storage tanks are required to
provided with which of the following locking roof hatch, an
overflow pipe with hinged
3/
35
,TCEQ CLASS C WATER LICENSE EXAM QUESTIONS
& VERIFIED CORRECT ANSWERS RATED 100%
CORRECT
flap device, annual inspection and mainte- nance as needed
4/
35
