CLASS C WATER OPERATOR
TEST, REAL EXAM
QUESTIONS & VERIFIED
ANSWERS (TCEQ LICENSE)
, Class C Water Operator Test, Real
Exam Questions & Verified Answers
(TCEQ License Prep)
1. Ammonia mixed with chlorine gas creates a: white smoke
2. The most difficult part of a water distribution operator's job.:
furnish a continuous supply
3. Physical connection between a safe and potentially unsafe
water source.: cross connection
4. A distribution system is a: looped system
5. Dead end mains should be flushed: every month
6. Excess nitrate causes a condition called: blue baby syndrome
7. Water hardness is caused by: calcium and magnesium
8. Sewer mains should be ft away from water mains.: 9
9. Water with a pH less than 7 is considered to be: acidic
10. Bacti records are kept for yrs and chemical records are
kept for yrs.: 5,
10
11. Bacti samples have to be returned to the lab within hrs
of the collection time.: 30
, 12. Color in the water supply should be less than units.: 15
13. Chlorine is times heavier than air.: 2.5
14. 90% of underground pipe failures are related to improper:
backfill and bedding
15. The spoil bank should be located at least ft away from
the ditch.: 2
16. The following minimum residuals is mg/L for free
chlorine and
mg/L for total chlorine.: .2, .5
17. Public opinion of the water utility is at a standstill.:
never
18. A bacti sample should be taken every ft of pipe.: 1000
19. The most common collection point for a bacti sample is the
water tap
.: outside the house
20. A standpipe is considered ground storage unless it exceeds
ft above the highest .: 80, service connection
21. protection is the electrochemical method for
preventing of metal tanks.: cathodic, corrosion
TEST, REAL EXAM
QUESTIONS & VERIFIED
ANSWERS (TCEQ LICENSE)
, Class C Water Operator Test, Real
Exam Questions & Verified Answers
(TCEQ License Prep)
1. Ammonia mixed with chlorine gas creates a: white smoke
2. The most difficult part of a water distribution operator's job.:
furnish a continuous supply
3. Physical connection between a safe and potentially unsafe
water source.: cross connection
4. A distribution system is a: looped system
5. Dead end mains should be flushed: every month
6. Excess nitrate causes a condition called: blue baby syndrome
7. Water hardness is caused by: calcium and magnesium
8. Sewer mains should be ft away from water mains.: 9
9. Water with a pH less than 7 is considered to be: acidic
10. Bacti records are kept for yrs and chemical records are
kept for yrs.: 5,
10
11. Bacti samples have to be returned to the lab within hrs
of the collection time.: 30
, 12. Color in the water supply should be less than units.: 15
13. Chlorine is times heavier than air.: 2.5
14. 90% of underground pipe failures are related to improper:
backfill and bedding
15. The spoil bank should be located at least ft away from
the ditch.: 2
16. The following minimum residuals is mg/L for free
chlorine and
mg/L for total chlorine.: .2, .5
17. Public opinion of the water utility is at a standstill.:
never
18. A bacti sample should be taken every ft of pipe.: 1000
19. The most common collection point for a bacti sample is the
water tap
.: outside the house
20. A standpipe is considered ground storage unless it exceeds
ft above the highest .: 80, service connection
21. protection is the electrochemical method for
preventing of metal tanks.: cathodic, corrosion
