Page | 1
Wastewater Grade 1 AZ Questions
with Detailed Verified Answers
Question: What color is a ground wire?
Ans: Green
Question: When turning on a positive displacement pump, valves need to be
ON or OFF?
Ans: On
Question: Wet Floor liftstations should be equal, sloped away, or sloped
towards pump?
Ans: Sloped AWAY from pump
Question: A continuous running pump should be check for leaks how often?
Ans: Every 24 hours
Question: Air from ventilation is measured in?
Ans: CFM- cubic feet per minute
Question: A multimeter measures what?
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Ans: Voltage, current, and resistance
Question: A sewer tap refers to what?
Ans: The connection point between a homes main sewer line and a municipal
water system.
Question: What kind of valve is used to isolate a lift station for maintenance?
Ans: A Gate Valve
Question: What is the main indicator of a chlorine leak?
Ans: Smell
Question: If friction increases, water flow will do what?
Ans: Slow down (C-Factor)
Question: What is the primary function of a circuit breaker?
Ans: Overload protection
Question: In order to disinfect water, an operator must know the DOSAGE
and the _____?
Ans: Volume
Question: 1 foot of water is equal to how much PSI?
Wastewater Grade 1 AZ Questions
with Detailed Verified Answers
Question: What color is a ground wire?
Ans: Green
Question: When turning on a positive displacement pump, valves need to be
ON or OFF?
Ans: On
Question: Wet Floor liftstations should be equal, sloped away, or sloped
towards pump?
Ans: Sloped AWAY from pump
Question: A continuous running pump should be check for leaks how often?
Ans: Every 24 hours
Question: Air from ventilation is measured in?
Ans: CFM- cubic feet per minute
Question: A multimeter measures what?
, Page | 2
Ans: Voltage, current, and resistance
Question: A sewer tap refers to what?
Ans: The connection point between a homes main sewer line and a municipal
water system.
Question: What kind of valve is used to isolate a lift station for maintenance?
Ans: A Gate Valve
Question: What is the main indicator of a chlorine leak?
Ans: Smell
Question: If friction increases, water flow will do what?
Ans: Slow down (C-Factor)
Question: What is the primary function of a circuit breaker?
Ans: Overload protection
Question: In order to disinfect water, an operator must know the DOSAGE
and the _____?
Ans: Volume
Question: 1 foot of water is equal to how much PSI?