Tceq Wastewater (Class D) License Prep Already Passed

Ladders must be within ____ feet of trench workers and not more than ____ feet apart. {Ans: 25ft, 50ft}Minimum velocity required to keep solids in suspension? {Ans: 2ft/sec}Primary clarifiers should remove _____ percent of the incoming BOD {Ans: 35%}Minimum required velocity a inverted siphon requires? {Ans: 3ft/sec}The magnetic meter works by the law of ________ {Ans: Induction}The ladder most extend ____ feet above the trench and be secured. {Ans: 3ft}