Water Distribution
This diagram can be used to determine a friction factor.
Theses particles are formed by bringing precipitates into contact with one another so that they can agglomerate and form larger particles.
What are Flocs?
This equation is used for open channel flow calculations.
What is Manning's Equation?
This process is used to turn nitrates into nitrogen gas.
What is denitrification?
This "checkpoint" is used to determine if a project should keep moving forward.
What is a phase gate?
These are three ways to minimize water hammer. Four correct answers.
1. Surge tanks
2. Reduce water velocity in the pipe
3. Reduce pressure using a pressure regulator
4. Air Chamber
This product used to remove non carbonate hardness
What is Soda Ash?
This design criteria dictates the minimum cycle time for a lift station.
What is the time the motor need to cool between starts?
These bacteria can lead to issues with suspended solids.
What are filaments?
These four levels make up a RACI matrix.
What is responsible, accountable, consulted, informed?
These are four reasons pump cavition can occur. Five correct answers.
1. Pressure on a liquid is below vapor pressure
2. Temp of the liquid increases
3. Excessive pump speed
4. High suction lift
5. Discharge head far below pump head at peak efficiency
These three constituents require these levels of log removal.
Giardia 3
Viruses 4
Cryptosporidium 2
This type of wet well is also known as a self cleaning wet well.
What is a trench type wet well?
What are volatile suspended solids?
What is the project charter?
These C values are used when calculating the the sharp exit and sharp entrance head losses.
Sharp exit 1
Sharp entrance .5
This CDPHE regulation includes requirements for reclaimed water.
This ratio of depth to diameter allows for the maximum volume of wastewater to be conveyed.
What is .9?
TIN and TP limits for JDPWRRF and LVSWRRF
TIN 15 mg/L
TP 1 mg/L
This method is used to shorten the schedule duration for the least incremental cost by adding resources.
What is crashing?
These C900 DR thicknesses have these pressure classes. DR14, DR18, DR25, DR41.
DR 14 305 psi
DR 18 235 psi
DR 25 165 psi
DR 41 100 psi
These four levels of filtration step down in size in this order with each level removing this constituent.
1. Microfiltration (Bacteria and Suspended Solids)
2. Ultrafiltration (Viruses)
3. Nanofiltration (Multivalent Ions)
4. Reverse Osmosis (Monovalent Ions)
These three CSU approved wastewater main materials have these Manning's numbers.
1. DIP .013
2. PVC .009 - .011
3. HDPE .009 -.015
Stuvite is a crystal formed by the reaction of these three compounds.
What is magnesium, ammonia and phosphate?
A managment style that prioritizes the team's growth and well-being over the organization's or leader's own ambitions.
What is servant leadership?