Entries Tagged Licensing Exam

Barbara Chappell grew up as the youngest of three girls. “Dad figured out he wasn’t going to have a boy, so I was...

It’s a long way from working in an auto parts store to directing the water and wastewater utilities in the northern Alberta...

WASTEWATERBy Rick LallishWhat are the two methods or operational modes of membrane biologic reactor treatment units?A. Inner-OuterB. Serial-ParallelC. Over-UnderD. Internal-SidestreamAnswer: D. In areas where space is...

Two facts stand out about Ben Shafer. First, he’s the man in charge of three rural drinking water systems and recently won the...

WASTEWATER By Rick LallishWhen using 1-ton chlorine cylinders, where is the connection made to remove liquid chlorine?A. Top valveB. Bottom valveC. Either the top or bottom...

Eric Kerr came to the Chicopee Wastewater Treatment plant four years ago to find a 1970s facility running on mostly original equipment.Kerr...

If you think you’re beaten, you areIf you think you dare not, you don’tIf you like to win, but you think you...

WASTEWATER By Rick LallishThe city of Anytown plans to add a new subdivision. The subdivision is expected to be 324 residential multifamily units...

WASTEWATER By Rick LallishWhat is the activated sludge collected in the secondary clarifier then sent to the aeration basin referred to as?A. WASB. BODC. EffluentD. RASAnswer: D....

WASTEWATER By Rick LallishWhich laboratory glassware is the most accurate means of delivering a measure of volume?A. Graduated cylinderB. BuretteC. PipetteD. BeakerAnswer: C. There are many ways...

WASTEWATER By Rick LallishWhat type of activated sludge treatment process is used when the influent is considered nutrient deficient?A. Kraus processB. Al West methodC. Membrane bioreactorsD. High-purity...

WASTEWATER By Rick LallishBy allowing a settleometer sample to set for several hours after the 30-minute settling test, what can be determined?A. Denitrification in...

WASTEWATER By Rick LallishWhen operating a membrane bioreactor (MBR), what is the difference between fouling and clogging when troubleshooting the process?A. There is no...

So you’ve studied for the exam you must pass to attain your first or next-level license. You feel confident, but also a...