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Class C Water Operator License Exam LATEST VERSION ACTUAL EXAM AND STUDY GUIDE 137 QUESTIONS AND CORRECT DETAILED ANSWERS

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Class C Water Operator License Exam LATEST VERSION ACTUAL EXAM AND STUDY GUIDE 137 QUESTIONS AND CORRECT DETAILED ANSWERS. The most difficult part of a water distribution operator's job. furnish a continuous supply Physical connection between a safe and potentially unsafe water source. cross connection A distribution system is a looped system Dead end mains should be flushed every month Excess nitrate causes a condition called blue baby syndrome Water hardness is caused by calcium and magnesium Sewer mains should be __ft away from water mains. 9 Water with a pH less than 7 is considered to be acidic Bacti records are kept for ____yrs and chemical records are kept for ___yrs. 5, 10 Bacti samples have to be returned to the lab within ___hrs of the collection time. 30 Color in the water supply should be less than _____ units. 15 Chlorine is ______ times heavier than air. 2.5

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Class C Water Operator License Exam
LATEST VERSION ACTUAL EXAM AND
STUDY GUIDE 137 QUESTIONS AND
CORRECT DETAILED ANSWERS

, Ammonia mixed with white smoke
chlorine gas creates a

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white smoke



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Physical connection between a safe Ammonia mixed with chlorine gas
1
and potentially unsafe water source. creates a




Out of all the water on earth, less
Water with a pH of 7.9 is considered
3 4 than _____% of freshwater is
to be ______ or _____.
immediately available to humans.



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Terms in this set (110)

The most difficult part of a furnish a continuous supply
water distribution operator's
job.

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