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WASTEWATER LICENSE EXAM 2024 WITH 100% CORRECT ANSWERS
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WASTEWATER LICENSE EXAM 2024 WITH 100% CORRECT ANSWERS 
 
 
the mechanism used to remove dewatered sludge from the belt of a belt filter press is commonly referred to as a: - correct answer doctor blade 
 
over a period of time, ultraviolet lights lose their intensity and must be replaced (T?F) - correct answer TRUE 
 
which of the following statements is true regarding ultraviolet light disinfection systems? - correct answer regular cleaning of light tubes is necessary to maintain optimal perfo...