Exam (elaborations)
2024 DRINKING WATER TREATMENT OPERATOR CLASS 1 EXAM WITH CORRECT ANSWERS
- Course
- Institution
2024 DRINKING WATER TREATMENT OPERATOR CLASS 1 EXAM WITH CORRECT ANSWERS
[Show more]
Content preview
2024 DRINKING WATERTREATMENT OPERATOR CLASS 1
EXAM WITH CORRECT ANSWERS
If a customer complains about the drinking water characteristics, the
operator should record the complaint and... - CORRECT-ANSWERSInvestigate
immediately
Chemical reactions take place more rapidly in _______ water. - CORRECT-
ANSWERSWarmer
The uptake of water or dissolved chemicals by a cell or organism. -
CORRECT-ANSWERSAbsorption
The process of adding air to water. - CORRECT-ANSWERSAeration
Chemicals that cause very fine particles to clump together into larger
particles. - CORRECT-ANSWERSCoagulants
The gathering of fine particles in water by gentle mixing after the addition of
coagulant chemicals to form larger particles. - CORRECT-
ANSWERSFlocculation
A water treatment process in which solid particles settle out of the water
being treated in a large clarifier or sedimentation basin. - CORRECT-
ANSWERSSedimentation
lime - CORRECT-ANSWERSA chemical commonly used to raise pH is...
manganese - CORRECT-ANSWERSBlack stains on plumbing fixtures might be
attributed to...
1000 grams - CORRECT-ANSWERSone kilogram equals...
The indicator organisms used to determine contamination of drinking water -
CORRECT-ANSWERSColiform group
Fe - CORRECT-ANSWERSChemical symbol for iron
, 2.31 - CORRECT-ANSWERSOne pound per square inch of pressure will raise
water_______ ft.
pressure due to depth or elevation of the water - CORRECT-ANSWERSStatic
Head is defined as...
10% solution of ammonia hydroxide - CORRECT-ANSWERSWhat is used to
detect chlorine leaks?
.433 psi - CORRECT-ANSWERS1 ft=
denser than air. - CORRECT-ANSWERSChlorine gas is...
calcium scale - CORRECT-ANSWERSPolyphosphates may be used in the
water treatment to retard corrosion and...
powder - CORRECT-ANSWERSCalcium hypochlorite is formulated as a
after a pipe is laid in place - CORRECT-ANSWERSA water main should be
disinfected..
lower pH. - CORRECT-ANSWERSCarbon Dioxide in water will..
feet per second - CORRECT-ANSWERSVelocity is expressed in terms of...
acid - CORRECT-ANSWERSA pH reading of 6.0 in raw water indicates the
sample is...
0-14 - CORRECT-ANSWERSThe pH scale runs from...
neutral - CORRECT-ANSWERSA pH value of 7.0 is considered to be..
moisture - CORRECT-ANSWERSChlorine is very corrosive when combined
with...
ammonia - CORRECT-ANSWERSChloramines are formed by the addition of
chlorine and...
meter the flow of fluid - CORRECT-ANSWERSThe purpose of a rotameter is to
Na - CORRECT-ANSWERSChemical symbol for sodium is...
pounds per square inch - CORRECT-ANSWERSPressure is usually measured in
...
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Elitaa. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73091 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now