TCEQ - Class D Water Review
A jar take a look at is intended to simulate which remedy methods? - ANS-Coagulation,
flocculation, sedimentation
A liquid chlorine answer is fed using a hypochlorinator. Which of the subsequent chorine feed
gadget components or components are a part of a hypochlorinator? - ANS-Solution feed pump
A toxic gasoline that smells like rotten eggs is: - ANS-Hydrogen Sulfide
A stress gauge at the bottom of an multiplied storage tank suggests 80 psi. How a long way
above the gauge is the water stage? - ANS-184.Eight feet
A floor water remedy plant is flowing at three.1 MGD. How many gallons according to minute
(gpm) is this? - ANS-2,153
A Texas Class D Water Operator License cannot be renewed if the license holder operates a
groundwater remedy gadget with _____ service connections. - ANS-250
A nicely turned into drilled three hundred feet deep. The static stage of water in the well is a
hundred toes. The pumping degree is 170 toes. What is the drawdown? - ANS-70 Feet
After disinfecting a newly installed water predominant, bacteriological samples are required to
be accrued every ____ feet alongside the new line. - ANS-1,000
Although each step of the water remedy technique is important, which process is regularly
known as the maximum important? - ANS-Disinfection
By measuring the pH of a water pattern, the operator will realize if the water is: - ANS-More
acidic or simple
Calculate the extent in gallons of a round tank, if it is 40 ft in diameter, and is 25 toes deep.
Volume = 0.785 *D *D * Depth * 7.Forty eight gal/feet^3 - ANS-234,872
Chlorine leaks round cylinder connections may be detected by way of the use of a ____%
ammonium hydroxide answer. - ANS-10 %
Chlorine tablets (Calcium hypochlorite) should now not are available contact with ________
based totally products because of the violent reaction in an effort to result. - ANS-Petroleum
, Coagulation by the addition of definitely charged ions also can be described as: - ANS-Charge
neutralization
Convert a flow rate of 1,667 gallons according to minute (gpm) to gadgets of million gallons in
line with day (MGD). - ANS-2.Four
For water to be considered Potable, it (choose all that apply): - ANS-Is pathogen Free & has a
chlorine residual
From the choices beneath, pick the only that is a ordinary percent of to be had chlorine in
Calcium Hypochlorite (HTH)? - ANS-sixty five%
Gloves, face shields, listening to safety, difficult hats, and safety glasses are all examples of: -
ANS-PPE
How lengthy after issuance is a Texas Water Operator License valid? - ANS-3 Years
How many pounds of sixty five% chlorine (HTH) can be needed to deal with the same amount of
water as 10.Zero lbs. Of 100% chlorine? - ANS-15.38
How a lot does one gallon of water weigh? - ANS-8.34 Pounds
How a lot time does the device operator need to contact the TCEQ by way of telephone whilst a
contamination occasion occurs in a public water device? - ANS-24 Hours
If an operator is aware of the pumping water degree and the static water level in a well, he/she
could be capable of calculate the: - ANS-Drawdown
If bacteriological sampling determines there are fecal coliform micro organism within the water
deliver, which of the underneath statements is genuine? - ANS-The water isn't potable
Pathogenic organisms can be inside the water
The Water is contaminated
Harmful bacteria is probably gift
(All the above)
If your gadget collects multiple month-to-month habitual coliform pattern and one comes back
from the lab wonderful, how lengthy do you need to accumulate your repeat samples? How
many are required? - ANS-24 hours, three
Improper disinfection of a water supply may be lethal. Which disorder(s) below may be unfold by
using inadequately disinfected water? - ANS-Cholera
Typhoid
Dysentery
Hepatitis
A jar take a look at is intended to simulate which remedy methods? - ANS-Coagulation,
flocculation, sedimentation
A liquid chlorine answer is fed using a hypochlorinator. Which of the subsequent chorine feed
gadget components or components are a part of a hypochlorinator? - ANS-Solution feed pump
A toxic gasoline that smells like rotten eggs is: - ANS-Hydrogen Sulfide
A stress gauge at the bottom of an multiplied storage tank suggests 80 psi. How a long way
above the gauge is the water stage? - ANS-184.Eight feet
A floor water remedy plant is flowing at three.1 MGD. How many gallons according to minute
(gpm) is this? - ANS-2,153
A Texas Class D Water Operator License cannot be renewed if the license holder operates a
groundwater remedy gadget with _____ service connections. - ANS-250
A nicely turned into drilled three hundred feet deep. The static stage of water in the well is a
hundred toes. The pumping degree is 170 toes. What is the drawdown? - ANS-70 Feet
After disinfecting a newly installed water predominant, bacteriological samples are required to
be accrued every ____ feet alongside the new line. - ANS-1,000
Although each step of the water remedy technique is important, which process is regularly
known as the maximum important? - ANS-Disinfection
By measuring the pH of a water pattern, the operator will realize if the water is: - ANS-More
acidic or simple
Calculate the extent in gallons of a round tank, if it is 40 ft in diameter, and is 25 toes deep.
Volume = 0.785 *D *D * Depth * 7.Forty eight gal/feet^3 - ANS-234,872
Chlorine leaks round cylinder connections may be detected by way of the use of a ____%
ammonium hydroxide answer. - ANS-10 %
Chlorine tablets (Calcium hypochlorite) should now not are available contact with ________
based totally products because of the violent reaction in an effort to result. - ANS-Petroleum
, Coagulation by the addition of definitely charged ions also can be described as: - ANS-Charge
neutralization
Convert a flow rate of 1,667 gallons according to minute (gpm) to gadgets of million gallons in
line with day (MGD). - ANS-2.Four
For water to be considered Potable, it (choose all that apply): - ANS-Is pathogen Free & has a
chlorine residual
From the choices beneath, pick the only that is a ordinary percent of to be had chlorine in
Calcium Hypochlorite (HTH)? - ANS-sixty five%
Gloves, face shields, listening to safety, difficult hats, and safety glasses are all examples of: -
ANS-PPE
How lengthy after issuance is a Texas Water Operator License valid? - ANS-3 Years
How many pounds of sixty five% chlorine (HTH) can be needed to deal with the same amount of
water as 10.Zero lbs. Of 100% chlorine? - ANS-15.38
How a lot does one gallon of water weigh? - ANS-8.34 Pounds
How a lot time does the device operator need to contact the TCEQ by way of telephone whilst a
contamination occasion occurs in a public water device? - ANS-24 Hours
If an operator is aware of the pumping water degree and the static water level in a well, he/she
could be capable of calculate the: - ANS-Drawdown
If bacteriological sampling determines there are fecal coliform micro organism within the water
deliver, which of the underneath statements is genuine? - ANS-The water isn't potable
Pathogenic organisms can be inside the water
The Water is contaminated
Harmful bacteria is probably gift
(All the above)
If your gadget collects multiple month-to-month habitual coliform pattern and one comes back
from the lab wonderful, how lengthy do you need to accumulate your repeat samples? How
many are required? - ANS-24 hours, three
Improper disinfection of a water supply may be lethal. Which disorder(s) below may be unfold by
using inadequately disinfected water? - ANS-Cholera
Typhoid
Dysentery
Hepatitis
