TCEQ Wastewater (Class D) License Prep | Questions with 100% Correct Answers | Updated & Verified | 2023
Minimum velocity required to keep solids in suspension? - 2ft/sec Minimum required velocity a inverted siphon requires? - 3ft/sec Two most common pipe materials used in the collection system? - Clay & PVC OSHA minimum standards for shoring, sloping, or trench boxes are? - 5ft or deeper If the trench is _____ or deeper, use a portable ladder or other means of exit. - 4ft or deeper The ladder most extend ____ feet above the trench and be secured. - 3ft Ladders must be within ____ feet of trench workers and not more than ____ feet apart. - 25ft, 50ft
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- TCEQ Wastewater License
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tceq wastewater class d license prep
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