N4325 KNOWLEDGE CHECK FINAL
PREPARATION MANUAL 2026
◉ Nephelometric turbidity units. Answer: NTU stands for:
◉ 5 years, 10 years. Answer: Bacteria results must be kept for: Chem
results for:
◉ Tubrbine, Propeller, Venturi, Nutating discs. Answer: Four ways
water meters operate are:
◉ Procedure, Part, Budget, Cost. Answer: A preventative
maintenance program includes:
◉ Lower insurance rates. Answer: An advantage of a standpipe:
◉ Geographic Informaton System. Answer: What is GIS?
◉ Cavitation (boiling). Answer: High flow rates in pumps can cause.
◉ Mechanical rakes, drag chain, traveling bridges. Answer: Three
ways sludge is removed from a settling basin are
,◉ Inlet, Outlet, Settling, Sludge. Answer: The 4 zones of settling
basin are:
◉ Before. Answer: Polyphosphates are injected before or after
chlorination?
◉ Filter aid. Answer: A nonionic polymer is usually used as a:
◉ Giardia, Legionella, Cryptosporidium. Answer: Three "bugs"
targeted by the SWTR are:
◉ Returned to plant head. Answer: What should be done with
backwash water?
◉ Taste, odor, chlorine, THM's. Answer: Activated carbon is used to
remove:
◉ Adsorption, oxidation, or aeratoin. Answer: THM's can be
removed by:
◉ Less. Answer: Algae produces more or less oxygen at night as
compared to day?
, ◉ 99.99%. Answer: A LOG removal of 4 is a removal of what
percent?
◉ Removes color, taste, odor. Answer: One outstanding advantage to
ozone is:
◉ Monochloromines, Dichloramines, Trichlorimaines. Answer:
Three forms of combined chlorine residual are:
◉ THM's. Answer: TOC's are precursor in the formation of:
◉ Deliver very accurate volumes. Answer: A pipet is used to
◉ Bug in a dormant state. Answer: What is a spore?
◉ Straight edge, feeler gauge. Answer: List some tools used to align a
coupling between a motor and a pump.
◉ Differential pressure. Answer: Rate of flow controllers work on
◉ Head pressure at various points. Answer: What is hydraulic grade
line?
PREPARATION MANUAL 2026
◉ Nephelometric turbidity units. Answer: NTU stands for:
◉ 5 years, 10 years. Answer: Bacteria results must be kept for: Chem
results for:
◉ Tubrbine, Propeller, Venturi, Nutating discs. Answer: Four ways
water meters operate are:
◉ Procedure, Part, Budget, Cost. Answer: A preventative
maintenance program includes:
◉ Lower insurance rates. Answer: An advantage of a standpipe:
◉ Geographic Informaton System. Answer: What is GIS?
◉ Cavitation (boiling). Answer: High flow rates in pumps can cause.
◉ Mechanical rakes, drag chain, traveling bridges. Answer: Three
ways sludge is removed from a settling basin are
,◉ Inlet, Outlet, Settling, Sludge. Answer: The 4 zones of settling
basin are:
◉ Before. Answer: Polyphosphates are injected before or after
chlorination?
◉ Filter aid. Answer: A nonionic polymer is usually used as a:
◉ Giardia, Legionella, Cryptosporidium. Answer: Three "bugs"
targeted by the SWTR are:
◉ Returned to plant head. Answer: What should be done with
backwash water?
◉ Taste, odor, chlorine, THM's. Answer: Activated carbon is used to
remove:
◉ Adsorption, oxidation, or aeratoin. Answer: THM's can be
removed by:
◉ Less. Answer: Algae produces more or less oxygen at night as
compared to day?
, ◉ 99.99%. Answer: A LOG removal of 4 is a removal of what
percent?
◉ Removes color, taste, odor. Answer: One outstanding advantage to
ozone is:
◉ Monochloromines, Dichloramines, Trichlorimaines. Answer:
Three forms of combined chlorine residual are:
◉ THM's. Answer: TOC's are precursor in the formation of:
◉ Deliver very accurate volumes. Answer: A pipet is used to
◉ Bug in a dormant state. Answer: What is a spore?
◉ Straight edge, feeler gauge. Answer: List some tools used to align a
coupling between a motor and a pump.
◉ Differential pressure. Answer: Rate of flow controllers work on
◉ Head pressure at various points. Answer: What is hydraulic grade
line?
