Entries Tagged Licensing Exam

WASTEWATER Effluent quality improves in lagoon systems that are operated in which configuration? A. Parallel arrangement B. Series arrangement C. Anaerobic only D. Aerobic only Answer: B. Lagoons operated in series tend...

WASTEWATERUsing the breakpoint chlorination method of ammonia removal, approximately how many parts of chlorine are needed to remove one part of ammonia?A....

WASTEWATERThe plant effluent coliform count fails to meet required standards for disinfection. The chlorine residual is normal. Inspection of the disinfectant supplies...

WASTEWATERThe use of which substance can be very effective for removing soluble organic contaminants if used in conjunction with coagulation, sedimentation, filtration...

Welcome back to TPO magazine's Exam Study Guide Series, which offers a pair of water/wastewater study questions with in-depth explanations of the answers. Last time, we...

WASTEWATERA rotating biological contactor (RBC) wastewater treatment plant experiences a utility power failure and standby power is unavailable. Local emergency management officials...

WASTEWATER: Understanding hydrogen sulfideWhich statement about hydrogen sulfide is correct?A. Hydrogen sulfide causes corrosion due to the development of high pH conditions. B....

When faced with a licensing exam, don't struggle with test anxiety! Use the question below and others from our Exam Study Guide series to properly...

Maintaining your education is important, especially in a career that demands licensing exams. Prove you’re an expert operator by answering this question and others from...

When faced with a licensing exam, don't struggle with test anxiety! Use the question below and others from our Exam Study Guide series to properly...

When faced with a licensing exam, don't struggle with test anxiety! Use the question below and others from our Exam Study Guide series to properly...

When faced with a licensing exam, don't struggle with test anxiety! Use the question below and others from our Exam Study Guide series to...

After traveling to Bermuda and the United Kingdom this year and seeing how those areas handle wastewater operator licenses, I’m beginning to...

When faced with a licensing exam, don't struggle with test anxiety! Use the question below and others from our Exam Study Guide series to properly...