TCEQ Wastewater (Class D) License Prep questions with correct answers
Minimum 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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Classroom. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R241,38. You're not tied to anything after your purchase.