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TCEQ Wastewater (Class D) License Prep with Questions & Answers.
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TCEQ Wastewater (Class D) License Prep with Questions & Answers.
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TCEQ Wastewater (Class D) License Prep withQuestions & Answers
Minimum velocity required to keep solids in suspension? - (correct answer) -2ft/sec
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Minimum required velocity a inverted siphon requires? - (correct answer) -3ft/sec
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Two most common pipe materials used in the collection system? - (correct answer) -Clay & PVC
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OSHA minimum standards for shoring, sloping, or trench boxes are? - (correct answer) -5ft or deeper
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
If the trench is _____ or deeper, use a portable ladder or other means of exit. - (correct answer) -4ft or
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
deeper
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The ladder most extend ____ feet above the trench and be secured. - (correct answer) -3ft
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
Ladders must be within ____ feet of trench workers and not more than ____ feet apart. - (correct
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answer) -25ft, 50ft
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The excavation spoil must be at least? - (correct answer) -2ft from the edge of the trench
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Which type of pump is most often used in a lift station? - (correct answer) -Centrifugal Pump
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What is CMOM? - (correct answer) -Capacity, management, operations, and maintenance
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Install water lines no closer to a water line than ____ feet - (correct answer) -9ft
yi yi yi yi yi yi yi yi yi yi yi yi yi yi yi
Chlorine helps ______ grease, making it easy to skim - (correct answer) -Congeal
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The magnetic meter works by the law of ________ - (correct answer) -Induction
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How often do you calibrate flow measuring devices? - (correct answer) -Annually
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Primary clarifiers should remove _____ percent of the incoming BOD - (correct answer) -35%
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Primary sludge is about ________% water and _______% solids - (correct answer) -94-96% water, and 4-
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6% solids yi
Primary clarifiers should remove ____ % of the BOD and _____% of the settleable solids - (correct
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answer) -35%, 90-95%
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Usual blanket depth in a secondary clarifier is no more than ____ of the sidewall depth - (correct
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answer) -1/4
yi yi
When sludge is within _____ inches of the slot, withdraw sludge - (correct answer) -18 inches
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