Class C Water Operator License Exam| Answered with a guaranteed pass|

Class C Water Operator License Exam| Answered with a guaranteed pass| Ammonia mixed with chlorine gas creates a white smoke 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.