1|Page
WASTE WATER GRADE 1 NEWEST 2026-2027
ACTUAL EXAM COMPLETE 100 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) /ALREADY GRADED A+/BRAND NEW!!!
How is pH measured ? - ANSWER-pH is measure with
with standard electrode that is typically calibrated using pH
buffers
What does TDS stand for ? - ANSWER-Total Dissolved
Solids
What does VDS stand for ? - ANSWER-Volatile Dissolved
Solids
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What does FDS stand for ? - ANSWER-Fixed Dissolved
Solids
TDS = ? - ANSWER-TDS = VDS + FDD
What is settle solids measured in ? - ANSWER-Measure
in Imhoff come
H2S is what ? - ANSWER-Hydrogen Sulfide
CH4 is what ? - ANSWER-Methane
What is CO2? - ANSWER-carbon dioxide
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Flow: for a person per day ? - ANSWER-100
gal/day•person
BOD: per person per day ? - ANSWER-0.17 lb
BOD/day•person
Solids: per person per day ? - ANSWER-0.20 lb
TSS/day•person
What does RAS stand for ? - ANSWER-Returned
Activated Sludge
What does WAS stand for ? - ANSWER-Waste Activated
Sludge
WASTE WATER GRADE 1 NEWEST 2026-2027
ACTUAL EXAM COMPLETE 100 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) /ALREADY GRADED A+/BRAND NEW!!!
How is pH measured ? - ANSWER-pH is measure with
with standard electrode that is typically calibrated using pH
buffers
What does TDS stand for ? - ANSWER-Total Dissolved
Solids
What does VDS stand for ? - ANSWER-Volatile Dissolved
Solids
,2|Page
What does FDS stand for ? - ANSWER-Fixed Dissolved
Solids
TDS = ? - ANSWER-TDS = VDS + FDD
What is settle solids measured in ? - ANSWER-Measure
in Imhoff come
H2S is what ? - ANSWER-Hydrogen Sulfide
CH4 is what ? - ANSWER-Methane
What is CO2? - ANSWER-carbon dioxide
, 3|Page
Flow: for a person per day ? - ANSWER-100
gal/day•person
BOD: per person per day ? - ANSWER-0.17 lb
BOD/day•person
Solids: per person per day ? - ANSWER-0.20 lb
TSS/day•person
What does RAS stand for ? - ANSWER-Returned
Activated Sludge
What does WAS stand for ? - ANSWER-Waste Activated
Sludge