CWEA WASTEWATER LABORATORY ANALYST EXAMPREP 2026 COMPLETE QUESTIONS AND CORRECT SOLUTIONS

CWEA WASTEWATER LABORATORY
ANALYST EXAMPREP 2026 COMPLETE
QUESTIONS AND CORRECT SOLUTIONS

⩥ Name two different types of glassware. Answer: 1. graduated
(measuring)
2. volumetric (class A or B)


⩥ Name four graduated glassware. Answer: 1. Berzelius beakers
2. Griffin beakers
3. Erlenmeyer flasks
4. Graduated cylinders


⩥ Name four volumetric glassware:. Answer: 1. Burets
2. Flasks
3. Volumetric Pipets
4. Measuring or Serological pipets


⩥ If no temperature marking, then what temperature is assumed?.
Answer: 20 C


⩥ Pipets are designated as either:. Answer: "To Contain (TC)"

, or
"To Deliver (TD)"


⩥ "To Contain" means.... Answer: Pipets actually contain the graduated
amount. The entire contents of the pipet must be used.


⩥ "To Deliver" means.... Answer: •Pipets deliver the graduated amount
•The contents of the pipet must be allowed to flow on its own
•There will be a small amount remaining in the tip


⩥ Describe four characteristics of a buret?. Answer: •Basically a
measuring pipet with a stopcock
•Used commonly for titrations
•Can be equipped with a glass stopcock or a Teflon stopcock
•The tip must be filled before a titration is performed


⩥ Name two characteristics of a volumetric pipet:. Answer: •Usually
recognized by the bubble in the center of the pipet
•Will only transfer one amount


⩥ Name three characteristics of a serological (measuring) pipet:.
Answer: •Graduated from a zero mark near the top of the pipet to the tip
of the pipet