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PMT 108 Principles of Water Unit 1 Exam Questions and Correct Answers
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---29March 20252024/2025A+
- PMT 108 Principles of Water Unit 1 Exam Questions and Correct Answers 
 
 
 
#4 DPD tablet - ANSWER-Total chlorine is measured using the same procedures as FAC except for the substitution of the #___ DPD tablet (TAC) for the #1 DPD tablet. 
 
.0.2 ppm after 60 minutes - ANSWER-Chemical disinfection: Re-chlorination should be at a level sufficient to produce a FAC residual of ___ ppm after ___ minutes of contact time 
 
.0.3 NTU; 95 percent - ANSWER-Conventional and direct filtration: Samples fo...
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