TCEQ Class A prep Part 1 Exam Questions and Answers
5 views 0 purchase
Course
Tceq
Institution
Tceq
TCEQ Class A prep Part 1 Exam Questions and AnswersTCEQ Class A prep Part 1 Exam Questions and AnswersTCEQ Class A prep Part 1 Exam Questions and AnswersTCEQ Class A prep Part 1 Exam Questions and AnswersTCEQ Class A prep Part 1 Exam Questions and AnswersTCEQ Class A prep Part 1 Exam Questions and ...
TCEQ Class A prep Part 1 Exam Questions and
Answers
In Texas, water operator licensing is administer by the? - Correct Answer - TCEQ
t t t t t t t t t t tt t t
Which minerals cause hardness in water - Correct Answer - magnesium and calciumT
t t t t t t t tt t t t t
the most importan federal law impacting the water utility industry is - Correct Answer - Safe Drinking
t t t t t t t t t t t t tt t t t
Water Act
t t
The four water quality standards established for drinking water in the Safe Drinking Water Act are
t t t t t t t t t t t t t t t
chemical, bacteriological,radiological and - Correct Answer - chemical, bacteriological,radiological and
t t t t t tt t t t t
physical.
t
The minimue allowable pressure in the distribution system under emergency conditions is - Correct
t t t t t t t t t t t t t t
Answer - 20 psi
t t t t
Water vapor given off by plants and trees is know as - Correct Answer - tranpiration
t t t t t t t t t t t t tt t t
organic matter includes - Correct Answer - wood,dogs,algae,bacteria
t t t t tt t t
The single most important water treatment process is - Correct Answer - disinfection
t t t t t t t t t tt t t
excessive nitrates in drinking water can cause what syndrom in infants - Correct Answer - blue baby
t t t t t t t t t t t t tt t t t
A sanitary control easement must cover land within how many feet of a public water well - Correct
t t t t t t t t t t t t t t t t t t
Answer - 150 feet
t t t t
A sample for physical and chemical analysis of a new well must be taken after how many hours of
t t t t t t t t t t t t t t t t t t
continuous pumping - Correct Answer - 36 hours
t t t t tt t t t
Chapter 290 Rules and Regulations requries chemical analysis of water supplies every - Correct Answer -
t t t t t t t t t t t t t tt t
year
t
Detention time in sedimetation basins must be at least how many hours to allow floc to settle - Correct
t t t t t t t t t t t t t t t t t t t
Answer - six
t t t
backwashing should expand the filter media by - Correct Answer - 30 to 50 percent
t t t t t t t t tt t t t t t
In Texas, all public water systems are required to have what facilities - Correct Answer - chlorination
t t t t t t t t t t t t t tt t t
, The MCL for Trihalomethanes in drinking water is - Correct Answer - 0.080 mg/l
t t t t t t t t t tt t t t
At room temperatures chlorine gas is - Correct Answer - greenish-yellow , has pungent odor, and is 2.5
t t t t t t t tt t t t t t t t t t
heaver then air
t t t
Disease that may be spread by inadequately disinfected water are - Correct Answer - typhoid, cholera,
t t t t t t t t t t t tt t t t
infectious hepatitis, legionnaires disease.
t t t t
minimum chlorine residuals of free and toral in the far reaches of the distribution system is - Correct
t t t t t t t t t t t t t t t t t t
Answer - .2/.5
t t t
Parameters that effect coagulation are - Correct Answer - Turbidity, PH and Alkalinity
t t t t t t tt t t t t t
coagulant and dosage. t t
Do not work in a trench ________ feet or deeper unless it is protected from cave-in - Correct Answer - 5
t t t t t t t t t t t t t t t t t tt t t
feet
t
Place spoil banks at least ________ feet from the excavation - Correct Answer - 2
t t t t t t t t t t t tt t t
dose new water mains with a minimum of ----mg/l or more chlorine for at least how many hours - Correct
t t t t t t t t t t t t t t t t t t t
Answer - 100mg/l-3hours or 25mg/l -24 hours
tt t t t t t t
one bacteriological sample is required for each ------ of new completed main - Correct Answer - 1000 feet
t t t t t t t t t t t t t tt t t t
of line
t t
A cross connection is a physical connection between a public water supply and ? - Correct Answer - 1)
t t t t t t t t t t t t t t t tt t t
another supply of unknown or questionable quality 2) any source that may contain contamination and 3)
t t t t t t t t t t t t t t t t
any water that is treated to a lesser degree.
t t t t t t t t t
maximum spacing between ladders in a trench is - Correct Answer - 50 feet
t t t t t t t t t tt t t t
when should a rapid sand filter be backwashed? - Correct Answer - when its dirty, when water will no
t t t t t t t t t tt t t t t t t t t
longer pass through the filter, loss of head of 6 to 10 feet, turbidity reading higher than 0.5 NTU
t t t t t t t t t t t t t t t t t t t
a ditch 4 feet wide , 6 feet deep and 1000 feet long will ve excavated . how many cubic yards of pipe
t t t t t t t t t t t t t t t t t t t t t t
bedding will be needed to to bed the trech 7 inches deep. - Correct Answer - This is a volume question.
t t t t t t t t t t t t t t tt t t t t t t
so you would multiplied 4 feet by 1000 feet and convert this 7 inches to percent them multiplied that to
t t t t t t t t t t t t t t t t t t t t
get your leanth times with times height . that gives you the cubic feet so you need to devide by 27 to get
t t t t t t t t t t t t t t t t t t t t t t t
the cubic yards 85.9 yd3
t t t t t
how many gallons will 5000 feet of 18 inch water pipe hold ? - Correct Answer - this is volume question
t t t t t t t t t t t t t t tt t t t t t
so find the volume of a cylinder. convert 18 to feet first then 3.14x r squared x 7.48 (1 cubic foot of
t t t t t t t t t t t t t t t t t t t t t t
water) so this one will look like 3.14x.75x.75.5000x7.48=66057.75 gallons ( round up)
t t t t t t t t t t t t
A tank that has a capacity of 700,000 gallons must be disinfected with a dosaged of 50 mg/l of chlorine.
t t t t t t t t t t t t t t t t t t t
how much 65% HTH will it take to achive the same goal - Correct Answer - mgdx8.34.50 is your normal
t t t t t t t t t t t t t t tt t t t t t
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 LucieLucky. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
