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Texas Class D Water License Test (2024) || All Questions & Solutions (Graded A+)
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Texas Class D Water License Test (2024) || All Questions & Solutions (Graded A+) 
Texas Class D Water License Test (2024) || All Questions & Solutions (Graded A+) 
 
What removes tastes, odors, and certain organics and gases, and oxidizes iron and manganese? This process includes the incorporation of air into the water by means of spray nozzles , steps or cascades, or trays of diffusers? - ANSWER - Aeration 
 
TCEQ regulation states that Shore installations , marinas, boats and houses on the wat...
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Class C Water Operator Texas Part 1 Exam Questions and Complete Solutions
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Class C Water Operator Texas Part 1 Exam Questions and Complete Solutions 
 
T/F The hydrological cycle is the natural exchange of water between the ocean and the atmosphere - Answer: True 
 
T/F 25% of the earths water is surface water, but only a small portion can be tapped by wells - Answer: Flase 
 
T/F Groundwater hydrology is the science concerned with the occurrence, distribution, and movement of water above the earths surface - Answer: False 
 
T/F Groundwater is the soil water that coll...
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Texas Wastewater Class A Exam Questions and Complete Solutions
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Texas Wastewater Class A Exam Questions and Complete Solutions 
 
Seeding of BOD samples is necessary when samples - Answer: (All of the above) have a chlorine residual, have a previously been chlorinated, have been subjected to high temperatures, contain high or low pH industrial wastes 
 
When is blue-green algae the most dominant on a pond treatment system? - Answer: Summer 
 
A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The approximate volum...
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Class A Water Operator Test Questions and Complete Solution
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Class A Water Operator Test Questions and Complete Solutions 
 
How many Training Hours and experience for a class D Water Operator - Answer: 16 Hours Training and No Experience 
 
How many Training Hours and experience for a class C Water Operator - Answer: 36 Hours Training and 1 year Experience 
 
How many Training Hours and experience for a class B Water Operator - Answer: 100 Hours Training and 3 years Experience (must include 1 year of hands on experience) 
 
How many Training Hours and ex...
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Class A Water Operator Test Questions and Complete Solutions
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Class A Water Operator Test Questions and Complete Solutions 
 
How many Training Hours and experience for a class D Water Operator - Answer: 16 Hours Training and No Experience 
 
How many Training Hours and experience for a class C Water Operator - Answer: 36 Hours Training and 1 year Experience 
 
How many Training Hours and experience for a class B Water Operator - Answer: 100 Hours Training and 3 years Experience (must include 1 year of hands on experience) 
 
How many Training Hours and ex...
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Class C Water Operator License Exam Questions and Complete Solutions
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Class C Water Operator License Exam Questions and Complete Solutions 
 
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 ...
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Basic Wastewater Operations Test Questions and Complete Solutions.
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Basic Wastewater Operations Test Questions and Complete Solutions 
 
The "Waters of Texas" include rivers, streams, lakes, bays, estuaries, and groundwater. - Answer: True 
 
Sewage must be treated to prevent pollution, oxygen depletion, and excessive nutrients in surface or groundwater. - Answer: False 
 
Human and natural activities, organics, inorganics, solids, oxygen depletion, color, bacteria, radiation, and clean fresh water can contaminate water resources. - Answer: False 
 
Septic tan...
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Basic water works operations exam Questions and Complete Solutions.
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Basic water works operations exam Questions and Complete Solutions 
 
How long must a water system save their bacteriological test results? - Answer: 5 years 
 
Which of the following would be classified as a community type public water system? - Answer: Mobile home park 
 
Which of the following agencies is responsible for regulating drinking water standards in the state of Texas? - Answer: TCEQ 
 
The utility employee with the most frequent contact with the customer is the? - Answer: Meter rea...
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The Wastewater Treatment B Test Questions and Complete Solutions.
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The Wastewater Treatment B Test Questions and Complete Solutions 
 
Liftstations at a treatment plant or those which discharge directly to a treatment plant with an average flow greater than 0.1 MGD shall have three or more pumps or have automatically controlled variable capacity pumps, these pumps should be adjusted to actual flow conditions and controlled to operate so as to: - Answer: Minimize surges in the treatment in the treatment units. 
 
In the contact stabilization system of activated ...
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Water Distribution Course Exam Quuestions and Complete Solutions
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Water Distribution Course Exam Quuestions and Complete Solutions 
 
The minimum residual water pressure required by the Rules and Regulations for Public Water Systems (30 TAC Chapter 290 subchapter D) is _____. 
a. 40 psi at all times 
b. 20 psi under peak demand conditions 
c. 200 gallons per day 
35 psi under peak demand conditions - Answer: b. 20 psi under peak demand conditions 
 
Dead end mains should be flushed every _____. 
a. day 
b. week 
c. month 
d. 4th of July - Answer: c. month 
 
W...
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Water License Exam Quuestions and Complete Solutions
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Water License Exam Quuestions and Complete Solutions 
 
What is the purpose of a water treatment plant? - Answer: To produce safe and pleasant drinking water 
 
What is the purpose of the clear well? - Answer: To provide chlorine contact time for disinfection and store water for high demand 
 
What is the purpose of coagulation-flocculation? - Answer: To gather together fine, light particles to form larger particles (floc) to aid the sedimentation and filtration processes 
 
What is the purpose ...
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