Source Water
Coldest layer in a thermally stratified lake
hypolimnion
What is the acronym used to remember the order of filtration
MUNRO
The process of destroying all organisms
Sterilization
The two examples of a sacrificial anodes
Magnesium and Zinc
The heart of the pump or impeller is usually made of what?
Bronze
Anabaena or Anacystis
Log removal for a cyst
3 Log (99.9%)
DBP formed with the reaction of O3 and Organics
Bromate
LCR was enacted in
1991
This type of pump moves large volumes of water but adds very little head
Axial Flow
Which treatment process has the addition of coagulant chemicals, flash mixing, coagulation, flocculation, sedimentation and filtration
Conventional / complete treatment
The first type of membrane filter that will remove salts.
Nanofiltration
Cl2 feed rooms should be...
Ventilated near the floor level
Isolated
A type of corrosion caused by the connection of two dissimilar metals
Galvanic Corrosion
How many times per a second should mechanical seals leak
0
Process of bringing air and water into close contact to remove or modify a component in the water
Aeration
Where would be the best place to discharge reject water
Which organism indicates the possible presence of a pathogen
Coliform
What makes up the majority of scaling in a distribution system
CaCO3 or Calcium Carbonate
Practical suction lift in a centrifugal pump
15-25 ft with 22 ft being ideal
Which type of phenomenon can water go under if the source has little to no nutrients but an abundance of dissolved oxygen
Oligotrophic
what chemical is used to aide in backwashing a filter
Sulfuric Acid (H2SO4)
Which disinfectant is the only one that can be used as a post chemical
Chlorine
The addition of hydrogen, removal of oxygen and the addition of electrons to a compound or element
Reduction
Operation mode: OPERATION BY HAND WITHOUT USING ANY OTHER SOURCE OF POWER.
Manual