Wastewater Grade 1 AZ Questions with Detailed Verified Answers

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?

, 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?