Exam (elaborations)
TCEQ EXAM with Questions & Answers Verified.
- Course
- Institution
TCEQ EXAM with Questions & Answers Verified.
[Show more]
Content preview
TCEQ EXAM with Questions & AnswersFecal Coliform - (correct answer) -_____ ______ found in drinking water indicates the water is
yi yi yi yi yi yi yi yi yi yi yi yi yi yi
contaminated with potentially pathogenic organisms that may be harmful
yi yi yi yi yi yi yi yi yi
Hepatitis, typhoid, cholera, and dysentery are all waterborne diseases that are preventable with proper
yi yi yi yi yi yi yi yi yi yi yi yi yi
disinfection. - (correct answer) -Hepatitis, typhoid, ______, and _________ are all waterborne diseases
yi yi yi yi yi yi yi yi yi yi yi yi yi
that are preventable with proper disinfection.
yi yi yi yi yi yi
Calcium Hypochlorite is a solid form of chlorine that is used by some small water systems to maintain a
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
chlorine residual. - (correct answer) -______ ______ is a solid form of chlorine that is used by some small
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
water systems to maintain a chlorine residual.
yi yi yi yi yi yi yi
The chlorine demand represents the amount of chlorine used by reducing agents and other impurities
yi yi yi yi yi yi yi yi yi yi yi yi yi yi
before a chlorine residual is formed. - (correct answer) -The chlorine _______ represents the amount of
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
chlorine used by reducing agents and other impurities before a chlorine residual is formed.
yi yi yi yi yi yi yi yi yi yi yi yi yi yi
Disinfection is commonly referred to as the most important water treatment process. - (correct answer)
yi yi yi yi yi yi yi yi yi yi yi yi yi yi
-__________ is commonly referred to as the most important water treatment process.
yi yi yi yi yi yi yi yi yi yi yi yi
The main component of a hypo-chlorination system is a solution feed pump. - (correct answer) -The
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
main component of a hypo-chlorination system is a ________ ________ pump.
yi yi yi yi yi yi yi yi yi yi yi
Components of a chlorine gas feed system include a steel chlorine cylinder, scale and rotameter. -
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
(correct answer) -Components of a chlorine gas feed system include a steel chlorine cylinder, ______,
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
and ________.
yi yi
Under non-emergency conditions, the chlorine residual for disinfecting new or repaired water main is
yi yi yi yi yi yi yi yi yi yi yi yi yi
___ mg/L. - (correct answer) -Under non-emergency conditions, the chlorine residual for disinfecting
yi yi yi yi yi yi yi yi yi yi yi yi yi
new or repaired water main is 50 mg/L.
yi yi yi yi yi yi yi yi
Under emergency conditions, TCEQ allows water main disinfection to be accomplished with a 500 mg/L
yi yi yi yi yi yi yi yi yi yi yi yi yi yi
chlorine dose for 30 minutes. - (correct answer) -Under emergency conditions, TCEQ allows water main
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
disinfection to be accomplished with a ____ mg/L chlorine dose for ___ minutes.
yi yi yi yi yi yi yi yi yi yi yi yi yi
Most Calcium Hypochlorite (HTH) contains about 65% available chlorine. - (correct answer) -Most
yi yi yi yi yi yi yi yi yi yi yi yi
Calcium Hypochlorite (HTH) contains about ___% available chlorine.
yi yi yi yi yi yi yi yi
Chlorine dosage is the combination of demand plus the desired residual. - (correct answer) -Chlorine
yi yi yi yi yi yi yi yi yi yi yi yi yi yi
dosage is the combination of demand plus the desired _______.
yi yi yi yi yi yi yi yi yi yi
The point at which all organic compounds, ammonia, and reducing agents have reacted with the
yi yi yi yi yi yi yi yi yi yi yi yi yi yi
chlorine dose is called the Breakpoint. - (correct answer) -The point at which all organic compounds,
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
ammonia, and reducing agents have reacted with the chlorine dose is called the ________.
yi yi yi yi yi yi yi yi yi yi yi yi yi yi
After flushing and disinfecting newly installed water line, a bacteriological sample should be collected
yi yi yi yi yi yi yi yi yi yi yi yi yi
every 1,000 feet along the new water main. - (correct answer) -After flushing and disinfecting newly
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
installed water line, a bacteriological sample should be collected every _____ feet along the new water
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
main.
yi
, Cryptosporidium is very resistant to chlorine disinfection. - (correct answer) -_____________ is very yi yi yi yi yi yi yi yi yi yi yi yi
resistant to chlorine disinfection.
yi yi yi yi
1 MGD = 694.4 gpm - (correct answer) -1 MGD = _____ gpm
yi yi yi yi yi yi yi yi yi yi yi yi
1 foot = 0.433 psi - (correct answer) -1 MGD = 694.4 gpm
yi yi yi yi yi yi yi yi yi yi yi yi
2.31 feet = 1 psi - (correct answer) -____ feet = 1 psi
yi yi yi yi yi yi yi yi yi yi yi yi
1 mile = 5,280 feet - (correct answer) -1 mile = ______ feet
yi yi yi yi yi yi yi yi yi yi yi yi
Volume, gal = 0.785 x D x D x Depth x 7.48 7.48 gal/cu ft - (correct answer) -_________ = 0.785 x D x D
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
x Depth x 7.48 gal/cu ft
yi yi yi yi yi yi
Volume, gal = L x W x D x 7.48 gal/cu ft - (correct answer) -Volume, gal = 0.785 x D x D x Depth x 7.48
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
7.48 gal/cu ft
yi yi yi
Drawdown, ft = Pumping Water Level, ft - Static Water Level, ft - (correct answer) -__________ =
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
Pumping Water Level, ft - Static Water Level, ft
yi yi yi yi yi yi yi yi yi
Pounds Chlorine = Pounds at 100% ÷ % Available Free Chlorine Ex: Pounds of 65% HTH = 10 lb Cl2 gas
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
÷ 0.65 = 15.4 lb HTH - (correct answer) -What is the formula to convert pounds of 100% chlorine gas
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
to pounds of 65% HTH?
yi yi yi yi yi
Dose, mg/L = Demand, mg/L + Residual, mg/L - (correct answer) -_________ = Demand, mg/L +
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
Residual, mg/L
yi yi
lb/day = (Flow, MGD) x (Dose, mg/L) x 8.34 - (correct answer) -What is the formula for calculating
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
pounds per day (lb/day) of chlorine?
yi yi yi yi yi yi
An aquifer is a porous, underground formation that is capable of delivering large quantities of water. -
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
(correct answer) -An _______ is a porous, underground formation that is capable of delivering large
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
quantities of water.
yi yi yi
Drawdown is the difference between the static water level and the pumping water level in a well. -
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
(correct answer) -__________ is the difference between the static water level and the pumping water
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
level in a well.
yi yi yi yi
An air line is commonly used to determine the water level in well. - (correct answer) -An air line is
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
commonly used to determine the _____ _____ in well.
yi yi yi yi yi yi yi yi yi
Drawdown is the difference between the static water level and pumping water level in a well. - (correct
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
answer) -________ is the difference between the static water level and pumping water level in a well.
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
The well screen allows water to pass through but keeps the sand out of the well. - (correct answer) -The
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
well ______ allows water to pass through but keeps the sand out of the well.
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
The two most commonly used deep well pumps are the submersible and the vertical turbine pumps. -
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
(correct answer) -The two most commonly used deep well pumps are the _________ and the ______ _____
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
pumps.
yi
Groundwater is generally low in turbidity and organic contaminants but high in mineral content. -
yi yi yi yi yi yi yi yi yi yi yi yi yi yi
(correct answer) -Groundwater is generally ___ in turbidity and organic contaminants but ___ in mineral
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
content.
yi
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 Wisdoms. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
84866 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now