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TCEQ Class D Water Operator License Exam
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TCEQ Class D Water Operator License Exam 1: What is the primary purpose of a water distribution system? --- correct answer --- To deliver safe and potable water to consumers at adequate pressure and quantity. 2: What does TCEQ stand for? --- correct answer --- Texas Commission on Environm...

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  • October 2, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • tceq class d water operator license exam

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  • TCEQ Class D Water Operator License
  • TCEQ Class D Water Operator License

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TCEQ Class D Water Operator License Exam


1: What is the primary purpose of a water distribution system? --- correct
answer ---

To deliver safe and potable water to consumers at adequate pressure and
quantity.




2: What does TCEQ stand for? --- correct answer ---

Texas Commission on Environmental Quality.




3: What is the minimum free chlorine residual required in a public water
system? --- correct answer ---

0.2 mg/L.




4: What is turbidity a measure of in water? --- correct answer ---

The cloudiness or haziness caused by particles and suspended solids.

, 5: What is the maximum contaminant level (MCL) for nitrate in drinking
water? --- correct answer --- 10 mg/L as nitrogen.




6: What is the purpose of a backflow prevention device? --- correct answer --
-

To prevent contamination of the potable water supply by ensuring that
water flows in only one direction.




7: What is the primary function of a water treatment plant? --- correct
answer ---

To remove contaminants and pathogens from raw water to make it safe for
human consumption.




8: What is the term for water loss due to leaks, breaks, or unauthorized use
in a distribution system? --- correct answer ---

Non-revenue water.




9: What is the standard unit of measure for water pressure? --- correct
answer --- Pounds per square inch (psi).

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