TCEQ CLASS C WATER OPERATOR LICENSE EXAM
NEWEST ACTUAL EXAM COMPLETE 150 QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+/ BRAND NEW!!!
Ammonia mixed with chlorine gas creates a - Answer-
white smoke
The most difficult part of a water distribution operator's job.
- Answer-furnish a continuous supply
Physical connection between a safe and potentially unsafe
water source. - Answer-cross connection
A distribution system is a - Answer-looped system
Dead end mains should be flushed - Answer-every month
Excess nitrate causes a condition called - Answer-blue
baby syndrome
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Water hardness is caused by - Answer-calcium and
magnesium
Sewer mains should be __ft away from water mains. -
Answer-9
Water with a pH less than 7 is considered to be - Answer-
acidic
Bacti records are kept for ____yrs and chemical records
are kept for ___yrs. - Answer-5, 10
Bacti samples have to be returned to the lab within ___hrs
of the collection time. - Answer-30
Color in the water supply should be less than _____ units.
- Answer-15
Chlorine is ______ times heavier than air. - Answer-2.5
90% of underground pipe failures are related to improper -
Answer-backfill and bedding
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The spoil bank should be located at least ___ft away from
the ditch. - Answer-2
The following minimum residuals is ______mg/L for free
chlorine and ____mg/L for total chlorine. - Answer-.2, .5
Public opinion of the water utility is _______ at a standstill.
- Answer-never
A bacti sample should be taken every ____ft of pipe. -
Answer-1000
The most common collection point for a bacti sample is
the water tap _______. - Answer-outside the house
A standpipe is considered ground storage unless it
exceeds _____ft above the highest ________. - Answer-
80, service connection