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TCEQ Wastewater (Class D) License Prep questions with correct answers
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TCEQ Wastewater (Class D) License Prep questions with correct answers
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TCEQ Wastewater (Class D) License Prep questions with correct answersMinimum velocity required to keep solids in suspension? CORRECT ANSWER-
2ft/sec
Minimum required velocity a inverted siphon requires? CORRECT ANSWER-
3ft/sec
Two most common pipe materials used in the collection system? CORRECT ANSWER-Clay & PVC
OSHA minimum standards for shoring, sloping, or trench boxes are? CORRECT ANSWER-5ft or deeper
If the trench is _____ or deeper, use a portable ladder or other means of exit. CORRECT ANSWER-4ft or deeper
The ladder most extend ____ feet above the trench and be secured. CORRECT ANSWER-3ft
Ladders must be within ____ feet of trench workers and not more than ____ feet apart. CORRECT ANSWER-25ft, 50ft
The excavation spoil must be at least? CORRECT ANSWER-2ft from the edge of the trench
Which type of pump is most often used in a lift station? CORRECT ANSWER-
Centrifugal Pump
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