age 1 of 94
ABC WASTEWATER COLLECTIONS LEVEL I EXAM
STUDY GUIDE 2025/2026 ACCURATE QUESTIONS AND
CORRECT DETAILED ANSWERS WITH RATIONALES ||
100% GUARANTEED PASS <BRAND NEW VERSION>
Reviewing all aspects pf the wastewater treatment system to
determine what would occur during various types of emergency
situations is known as a(n)?
A. Management Effectiveness Survey
B. Environmental Audit
C. Comprehensive Performance Evaluation
D. Vulnerability Assessment .......Answer.........D. Vulnerability
assessment
,age 2 of 94
Wastewater entering a treatment plant is typically..
A. Somewhat warmer than unheated tap water
B. The same temperature as unheated tap water
C. Somewhat cooler than unheated tap water
D. Very much cooler than unheated tap water .......Answer.........A.
Somewhat warmer than unheated tap water
Anaerobic decomposition of wastewater produces..
A. Ammonium Chloride
B. Hydrogen Sulphide
C. Carbon Monoxide
D. Copper Sulphate .......Answer.........B. Hydrogen Sulphide
,age 3 of 94
Which of the following causes overheating of mechanical
equipment?
A. Water Hammer
B. Under greasing
c. Over-greasing
D. Dried out packing .......Answer.........C. Over-greasing
What's the purpose of a SCADA system?
A. Clean grease lines
B. Justify more cleaning crews
C. Control equipment and collect data
D. Set collection and data appointments .......Answer.........C.
Control equipment and collect data
, age 4 of 94
Entrained air frequently contributes to...
A. Reduced wet well capacity
B. Less odour around the pump station
C. Lower electrical costs
D. Pump cavitation .......Answer.........D. Pump Cavitation
When performing an MPN, the sample dilution is considered
positive when...
A. The Durham tube is found upside down
B. The sample turns colour from amber to brown
C. No bubbles are found in the Durham tube
D. Gas bubbles are found in the Durham tube .......Answer.........D.
Gas bubbles are found in the Durham tube
ABC WASTEWATER COLLECTIONS LEVEL I EXAM
STUDY GUIDE 2025/2026 ACCURATE QUESTIONS AND
CORRECT DETAILED ANSWERS WITH RATIONALES ||
100% GUARANTEED PASS <BRAND NEW VERSION>
Reviewing all aspects pf the wastewater treatment system to
determine what would occur during various types of emergency
situations is known as a(n)?
A. Management Effectiveness Survey
B. Environmental Audit
C. Comprehensive Performance Evaluation
D. Vulnerability Assessment .......Answer.........D. Vulnerability
assessment
,age 2 of 94
Wastewater entering a treatment plant is typically..
A. Somewhat warmer than unheated tap water
B. The same temperature as unheated tap water
C. Somewhat cooler than unheated tap water
D. Very much cooler than unheated tap water .......Answer.........A.
Somewhat warmer than unheated tap water
Anaerobic decomposition of wastewater produces..
A. Ammonium Chloride
B. Hydrogen Sulphide
C. Carbon Monoxide
D. Copper Sulphate .......Answer.........B. Hydrogen Sulphide
,age 3 of 94
Which of the following causes overheating of mechanical
equipment?
A. Water Hammer
B. Under greasing
c. Over-greasing
D. Dried out packing .......Answer.........C. Over-greasing
What's the purpose of a SCADA system?
A. Clean grease lines
B. Justify more cleaning crews
C. Control equipment and collect data
D. Set collection and data appointments .......Answer.........C.
Control equipment and collect data
, age 4 of 94
Entrained air frequently contributes to...
A. Reduced wet well capacity
B. Less odour around the pump station
C. Lower electrical costs
D. Pump cavitation .......Answer.........D. Pump Cavitation
When performing an MPN, the sample dilution is considered
positive when...
A. The Durham tube is found upside down
B. The sample turns colour from amber to brown
C. No bubbles are found in the Durham tube
D. Gas bubbles are found in the Durham tube .......Answer.........D.
Gas bubbles are found in the Durham tube
