CA GRADE 2 WASTEWATER TREATMENT
OPERATOR EXAM 1
80+ (Updated for 2026) Exam Prep Pack | A+ Questions & Verified
Answers
100% Guarantee Pass
📋 DOCUMENT OVERVIEW 80 Qs
This document, "Ca Grade 2 Wastewater Treatment Operator Exam 1", covers specific topics such as
wastewater treatment processes, pond operations, activated sludge processes, anaerobic digestion, and
laboratory testing. It provides 80 questions with their corresponding correct answers, allowing students
to review and understand key concepts in wastewater treatment. By using this document, students can
study and review key concepts for exam preparation, reinforcing their knowledge and retention of
wastewater treatment principles.
✓ Verified Answers ✓ Exam Ready ✓ Study Guide
Trusted by thousands of students and professionals worldwide
EXAM QUESTIONS
QUESTION 1
A pond with a detention time of less than three days will perform similar to?
CORRECT ANSWER
sedimentation tank
QUESTION 2
What happens when carbon dioxide is removed from a pond?
CORRECT ANSWER
increases pH
QUESTION 3
What should you do if you are mildly exposed to chlorine gas?
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, CORRECT ANSWER
immediately evacuate the contaminated area, remian calm, keep warm. breath lightly, avoid coughing
QUESTION 4
What is a common way to determine the organic strength of wastes in the influent?
CORRECT ANSWER
test for the biochemical oxygen demand
QUESTION 5
What is the health effect of carbon dioxide?
CORRECT ANSWER
could lead to asphyxiation
QUESTION 6
What will happen if too much raw sludge is added to the digester?
CORRECT ANSWER
acid fermenters will predominate and lower the pH
QUESTION 7
Which of the following is not true about hydrogen sulfide?
CORRECT ANSWER
hydrogen sulfide is lighter than air
QUESTION 8
What is the purpose of a Parshall Flume?
CORRECT ANSWER
Measure the flow rate
QUESTION 9
Which of the following will not cause short circuiting in a clarifier?
CORRECT ANSWER
flow line of launder is low
QUESTION 10
What does the M in F/M ratio represent?
CORRECT ANSWER
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OPERATOR EXAM 1
80+ (Updated for 2026) Exam Prep Pack | A+ Questions & Verified
Answers
100% Guarantee Pass
📋 DOCUMENT OVERVIEW 80 Qs
This document, "Ca Grade 2 Wastewater Treatment Operator Exam 1", covers specific topics such as
wastewater treatment processes, pond operations, activated sludge processes, anaerobic digestion, and
laboratory testing. It provides 80 questions with their corresponding correct answers, allowing students
to review and understand key concepts in wastewater treatment. By using this document, students can
study and review key concepts for exam preparation, reinforcing their knowledge and retention of
wastewater treatment principles.
✓ Verified Answers ✓ Exam Ready ✓ Study Guide
Trusted by thousands of students and professionals worldwide
EXAM QUESTIONS
QUESTION 1
A pond with a detention time of less than three days will perform similar to?
CORRECT ANSWER
sedimentation tank
QUESTION 2
What happens when carbon dioxide is removed from a pond?
CORRECT ANSWER
increases pH
QUESTION 3
What should you do if you are mildly exposed to chlorine gas?
Trusted by thousands of students and professionals worldwide Page 1 of 13
, CORRECT ANSWER
immediately evacuate the contaminated area, remian calm, keep warm. breath lightly, avoid coughing
QUESTION 4
What is a common way to determine the organic strength of wastes in the influent?
CORRECT ANSWER
test for the biochemical oxygen demand
QUESTION 5
What is the health effect of carbon dioxide?
CORRECT ANSWER
could lead to asphyxiation
QUESTION 6
What will happen if too much raw sludge is added to the digester?
CORRECT ANSWER
acid fermenters will predominate and lower the pH
QUESTION 7
Which of the following is not true about hydrogen sulfide?
CORRECT ANSWER
hydrogen sulfide is lighter than air
QUESTION 8
What is the purpose of a Parshall Flume?
CORRECT ANSWER
Measure the flow rate
QUESTION 9
Which of the following will not cause short circuiting in a clarifier?
CORRECT ANSWER
flow line of launder is low
QUESTION 10
What does the M in F/M ratio represent?
CORRECT ANSWER
Trusted by thousands of students and professionals worldwide Page 2 of 13
