100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
TCEQ: Class C Water Operator License Exam 2024 Agrade latest version CA$23.80   Add to cart
Quickly navigate to
Preview
  2.  
  3. TCEQ: Class C Water Operator License
  4.  
  5. TCEQ: Class C Water Operator License

Exam (elaborations)

TCEQ: Class C Water Operator License Exam 2024 Agrade latest version

 4 views  0 purchase
  • Course
  • TCEQ: Class C Water Operator License
  • Institution
  • TCEQ: Class C Water Operator License

A common chemical used in disinfection of small water supply is Calcium hypochlorite A physical connection between a potable water supply and house well would be A cross connection The amount of chlorine in mg/L that is used up by reacting with iron organics of bacteria is called Demand Amm...

[Show more]

Preview 3 out of 22  pages

Document information

  • October 2, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • tceq class c water operator license exam 2024
  • tceq class c water operator license exam
  • tceq class c water operator license
  • tceq class c water operator license

Written for

  • TCEQ: Class C Water Operator License
  • TCEQ: Class C Water Operator License

Seller

avatar-seller
Academicaffairs

Reviews received

Content preview

TCEQ: Class C Water Operator License Exam
2024 Agrade latest version
State Agency responsince for enforcing the safe drinking water act in Texas

Texas Commission on environmental Quality

What minerals can cause water hardness

Calcium and magnesium

A public water system must at all times provide

Adequate quantity of water, pressure, and disinfection

A source groundwater would be

aquifer

Fecal coliform organisms sometimes found in water supplies are an indication that

Water supply is contaminated, harmful bacteria may be present, possible pathogenic organisms in the
water, water is unsuitable for drinking

A disease that may be spread by inadequately disinfected water

Dysentery

A common chemical used in disinfection of small water supply is

Calcium hypochlorite

A physical connection between a potable water supply and house well would be

A cross connection

The amount of chlorine in mg/L that is used up by reacting with iron organics of bacteria is called

Demand



Ammonia mixed with chlorine gas creates a - Answer- white smoke



The most difficult part of a water distribution operator's job. - Answer- furnish a continuous supply



Physical connection between a safe and potentially unsafe water source. - Answer- cross connection

,A distribution system is a - Answer- looped system



Dead end mains should be flushed - Answer- every month



Excess nitrate causes a condition called - Answer- blue baby syndrome



Water hardness is caused by - Answer- calcium and magnesium



Sewer mains should be __ft away from water mains. - Answer- 9



Water with a pH less than 7 is considered to be - Answer- acidic



Bacti records are kept for ____yrs and chemical records are kept for ___yrs. - Answer- 5, 10



Bacti samples have to be returned to the lab within ___hrs of the collection time. - Answer- 30



Color in the water supply should be less than _____ units. - Answer- 15



Chlorine is ______ times heavier than air. - Answer- 2.5



90% of underground pipe failures are related to improper - Answer- backfill and bedding



Which of the following is a physical characteristic of chlorine gas

Greenish-Yellow Color, heavier than air, pungent penetrating odor, corrosive

Which of the following would be considered a part of a hypo-chlorinator system

Solution feed pump

According to state requirements, all public water Supply wells should be provided with a raised
concrete sealing block, screened vents, and-

A flow measuring device

, Drawdown of a water well is determined by

Difference in static and pumping levels

pH of water indicates

If it's acidic or basic

The pH of water is expressed on a pH scale of

0-14

Water that is considered neutral is expressed on the pH scale at

7.0

Which of the following is a required Step in collecting a routine distribution sample for bacteriological
testing?

Use of an approved, sterile sample container

Sand filtration will remove which of the following from surface water

Turbidity

Activated carbon is used in a surface water plant primarily for

Taste and odor control

Which or the following chemicals are commonly used as coagulants in surface water treatment

Alum and ferric chloride

Ground storage tanks are required to provided with which of the following

Screened vents, an approved locking roof hatch, an overflow pipe with hinged flap device, annual
inspection and maintenance as needed

An elevated storage tank should be protected against corrosion by

Painting, cathodic protection, water stabilization, and only using galvanized and lead based primed
components

A public water supply system should maintain residual pressure of 20 psi and a minimum of normal
operating pressure of

35 psi

Before a new or repaired water line is placed into service, it must be properly disinfected by providing
a chlorine dosage of _________ and proper detention time

50 mg/L

Water bearing formations beneath the earths surface that are used as a source of water for public
water supplies are

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 Academicaffairs. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$23.80. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

77254 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

Recently viewed by you

Exam (elaborations) ·

(0)

SOWK 2100 Final (100% Error-free)

CA$23.80
  • (0)
  Add to cart