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Final Complete study guide for wastewater practice exam 2024/2025 $10.49   Add to cart

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Final Complete study guide for wastewater practice exam 2024/2025

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Final Complete study guide for wastewater practice exam 2024/2025 Odors occur when treatment becomes Anaerobic What should an operator do before entering a manhole Test for all hazardous gases and oxygen levels and ventilate the manhole before entering What treatment devices is commonl...

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  • June 12, 2024
  • 3
  • 2023/2024
  • Exam (elaborations)
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Final Complete study guide for wastewater
practice exam 2024/2025
Odors occur when treatment becomes
Anaerobic


What should an operator do before entering a manhole
Test for all hazardous gases and oxygen levels and ventilate the manhole before entering


What treatment devices is commonly used to separate and remove large solids from raw wastewater
a mechanically raked bar screen


What diseases are caused by pathogenic organisms that may be present in raw wastewater?
Hepatitis, typhoid, paratyphoid, dysentery, and cholera


What is typically used to dewater sludge?
Belt press, Drying beds, solid bowl centrifuge, and gravity thickener


Calculated the volume in gallons of a rectangular aeration tank that is 60 feet long, 30 feet wide and
20 feet deep
269,280


What is typically used whenever wastewater cannot flow to the treatment plant by gravity
Lift station


A centrifugal pump must be ? or it will not pump
Primed


One common type of weir design for measuring flow is
V-Knotch


The operator would need to increase or decrease if the ? loading on the plant is high
increase/Organic


A simple method for indication when to waste sludge is
Total sedimentation test


Landfill applied sludge must have a solids content of at least ?
20%


Effluent dosage of chlorine in the contact chamber must produce a total combined residual of ?
1.0mg/L after 20 minutes


TCEQ allows the reuse of wastewater, some of these uses include

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