Class C Water Operator License Exam/
Questions with Certified Solutions.
Practice questions for this set
Learn 1/ 7 Study with Learn
hydrologic
Choose matching term
Condensation, evaporation,
The most difficult part of a water
1 2 percolation, and precipitation are all
distribution operator's job.
components of the _______ cycle.
________ protection is the
3 electrochemical method for 4 Water hardness is caused by
preventing ________ of metal tanks.
Don't know?
Terms in this set (110)
Ammonia mixed with white smoke
chlorine gas creates a
, The most difficult part of a furnish a continuous supply
water distribution operator's
job.
Physical connection cross connection
between a safe and
potentially unsafe water
source.
A distribution system is a looped system
Dead end mains should be every month
flushed
Excess nitrate causes a blue baby syndrome
condition called
Water hardness is caused by calcium and magnesium
Sewer mains should be __ft 9
away from water mains.
Water with a pH less than acidic
7 is considered to be
Bacti records are kept for 5, 10
____yrs and chemical
records are kept for ___yrs.
Bacti samples have to be 30
returned to the lab within
___hrs of the collection time.
15
Color in the water supply
should be less than _____
units.
Chlorine is ______ times 2.5
heavier than air.
Questions with Certified Solutions.
Practice questions for this set
Learn 1/ 7 Study with Learn
hydrologic
Choose matching term
Condensation, evaporation,
The most difficult part of a water
1 2 percolation, and precipitation are all
distribution operator's job.
components of the _______ cycle.
________ protection is the
3 electrochemical method for 4 Water hardness is caused by
preventing ________ of metal tanks.
Don't know?
Terms in this set (110)
Ammonia mixed with white smoke
chlorine gas creates a
, The most difficult part of a furnish a continuous supply
water distribution operator's
job.
Physical connection cross connection
between a safe and
potentially unsafe water
source.
A distribution system is a looped system
Dead end mains should be every month
flushed
Excess nitrate causes a blue baby syndrome
condition called
Water hardness is caused by calcium and magnesium
Sewer mains should be __ft 9
away from water mains.
Water with a pH less than acidic
7 is considered to be
Bacti records are kept for 5, 10
____yrs and chemical
records are kept for ___yrs.
Bacti samples have to be 30
returned to the lab within
___hrs of the collection time.
15
Color in the water supply
should be less than _____
units.
Chlorine is ______ times 2.5
heavier than air.
