Distribution
What are the 3 tiers of violations and the reporting time frames for each?
1 - 24hrs
2 - 30 days
3 - 365 days
What is the minimum water main size to have a fire hydrant tapped off of it?
6"
What type of pump can pump against a closed valve without being damaged?
Centrifugal
What does CMOM stand for?
Capacity, Management, Operations, & Maintenance
What is the angle of repose?
The angle between horizontal and the slope of f unsupported material such as soil.
What is a water systems capacity based on?
Fire Protection
What type of hydrant has 1 operating valve and drains fully when not in use?
Dry Barrel
You walk into a pump station and the pumps sound like they have gravel running through them, what is happening?
Cavitation
What type of maintenance prolongs equipment and can increase its lifespan?
Preventive
What does SCADA stand for?
Supervisory, Control, & Data, Acquisition
What is coliform?
Indicator organism
What is the minimum psi at a fire hydrant?
What is the day we throw things in proper places this day is in April 22
_______ are thin metal sheets that are inserted between two surfaces to align or space the surface correctly.
Shims
What is Carl's middle name?
Rose
What is ohms?
Measurement of resistance.
What causes a water hammer?
Pumps starting or stopping too quickly, opening or closing a valve or hydrant too quickly.
What type of fire hydrant has no main valve, but instead has independently controlled valves for each outlet?
Wet Barrel
What is used to provide a seal where the shaft passes through the pump casing to keep air out and water in?
Packing
What type of collection system is designed to carry both sanitary wastewater and stormwater or surface water runoff?
Combined
What is telemetrey?
System used for sending data over long distances. Used for remote instrument control.
What is breakpoint chlorination?
When free chlorine forms.
What is placed behind the base of a fire hydrant and against undisturbed soil to prevent movement?
Thrust Block
What is an alternative to packing on pumps?
Mechanical Seal
A safety device in an electric circuit that automatically shuts off the circuit when it becomes overloaded is called?
Circuit Breaker
What is the MCL for chlorine? What is minimum chlorine residual?
4 mg/L , 0.2 mg/L