100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
2024 WATER TREATMENT OPERATOR CERTIFICATION AWWA STUDY GUIDE EXAM WITH CORRECT ANSWERS $13.09   Add to cart

Exam (elaborations)

2024 WATER TREATMENT OPERATOR CERTIFICATION AWWA STUDY GUIDE EXAM WITH CORRECT ANSWERS

 7 views  0 purchase
  • Course
  • WATER TREATMENT OPERATOR CERTIFICATION AWWA
  • Institution
  • WATER TREATMENT OPERATOR CERTIFICATION AWWA

2024 WATER TREATMENT OPERATOR CERTIFICATION AWWA STUDY GUIDE EXAM WITH CORRECT ANSWERS

Preview 2 out of 5  pages

  • September 6, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • WATER TREATMENT OPERATOR CERTIFICATION AWWA
  • WATER TREATMENT OPERATOR CERTIFICATION AWWA
avatar-seller
Elitaa
2024 WATER TREATMENT
OPERATOR CERTIFICATION AWWA
STUDY GUIDE EXAM WITH
CORRECT ANSWERS



A continuously flowing watercourse - CORRECT-ANSWERSPerennial Stream

Algae causes PH to ....... at night - CORRECT-ANSWERSDecrease

Optimal flouride concentration in drinking water is set in relation to the........ -
CORRECT-ANSWERSAnnual average maximum daily air temp

What test is used to determine optimal coagulant dosage - CORRECT-
ANSWERSJar Test

Sequence of growth in a multiple-tube fermentation method - CORRECT-
ANSWERSLTB, BGB, and EMB. Lauryl Tryptose Broth, Eosin Methylene Blue,
Brilliant Green lactose Bile Broth

Giardia cysts range in size from - CORRECT-ANSWERS8 to 20 microns

Quantity of oxygen that can be dissolved in water is directly related to........ -
CORRECT-ANSWERSTemperature

What is apparent color - CORRECT-ANSWERScolor in sample before it is
filtered

Grease lubricated bearings should be regreased at what frequency? -
CORRECT-ANSWERS3 - 6 Months

Check valves prevent ........... - CORRECT-ANSWERSWater from flowing in two
directions

Packing joints should be....... - CORRECT-ANSWERSStaggered

Primary function of couplings - CORRECT-ANSWERSCompensate for
alignment changes

How do you determine watts - CORRECT-ANSWERS(amps)x(volts)

, What are the different types of pumps - CORRECT-ANSWERSCentrifugal,
positive displacement, and turbine

What does a hypochlorinator do? - CORRECT-ANSWERSFeed a liquid chlorine
solution into a water supply

What causes water hammer - CORRECT-ANSWERSopening or closing a valve
too fast

When should a positive displacement pump be operated? - CORRECT-
ANSWERSWhen suction and discharge valves are open

How much does a 1-ton cylinder weigh? - CORRECT-ANSWERS3,700 lbs

Pumps seals are classified how? - CORRECT-ANSWERSPacking ring or
mechanical

What causes pumps to make a pinging sound - CORRECT-
ANSWERScavitation

What is the main purpose of priming - CORRECT-ANSWERSReplace air with
water inside the pump

What is the purpose of a vacuum regulator - CORRECT-ANSWERSStop flow of
chlorine gas if a leak develops

Mechanical seals are appropriate for pumps operating under....... - CORRECT-
ANSWERSHigh suction head

What valve is most suitable for a throttling application - CORRECT-
ANSWERSPressure reducing valve

Valve installed at the end of the suction pipe on a centrifugal pump is
called...... - CORRECT-ANSWERSa foot valve

(Pump efficiency) x (Motor efficiency) - CORRECT-ANSWERSWire to water
efficiency

Opening the discharge valve one full turn on a chlorine cylinder will........ -
CORRECT-ANSWERSPermit maximum discharge

What is the "C Value" - CORRECT-ANSWERSNumber that describes
smoothness of the interior of a pipe

Tubercles form on what kind of pipe - CORRECT-ANSWERSDuctile iron

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 $13.09. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

70055 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$13.09
  • (0)
  Add to cart