CWEA Exam Bundle

An industry operating an 8-hour shift, 5 days per week, generates 100,000 gallons of wastewater per shift. Their pretreatment system has a capacity of 150 gallons per minute. How long must the pretreatment facility operate to process the wastewater generated each day? - Answer-11.1 hours An indus...

What is PPE Category 1? - Answer-Arc-Rated clothing, Minimum Arc Rating of Arc 4 cal/cm2 arc-rated long sleeve shirt and pants or overall Parshall Flume Measurement point? 1.2 FT Water Height 20.8xH at measurement point - AnswerPossible answer:72,607 MGD Absoulte Pressure Gauge? What is True? - A...

Indirect Potable Reuse (IPR) - Answer-The blending of advanced treated, recycled or reclaimed water into a natural water source (environmental barrier) that could be used for drinking (potable) water after further treatment. Direct Potable Reuse (DPR) - Answer-Process of treating wastewater to dr...

AA - Answer-atomic absorption AC - Answer-power alternating current ac - Answer-acre AF - Answer-acre-foot (feet) AFY - Answer-acre-foot per year AMSA - Answer-Association of Metropolitan Sewerage Agencies ANSI - Answer-American National Standards Institute APHA - Answer-American Public Heal...

Which process is most commonly used for small pipe maintenance welding? - Answer-D. Oxyacetylene gas welding What is the proper definition of an engine? - Answer-B. It is machine designed to convert energy into useful mechanical motion What is wet stacking and how can it be prevented? - Answer-C...

Receiving job instruction and planning equipment use are part of: a. craft data. b. job preparation. c. work factors. d. leveled time. - Answer-b. job preparation Anticipating other tasks or problems: a. usually creates additional problems. b. wastes time. c. sharply reduces the number of ...

Confined Space - Answer-A space that: -is large enough to enter and work. -has limited or restricted means for entry. -is not designed for continuous occupancy. Hot Work Permit - Answer-An employer's written authorization to perform work capable of providing a source of ignition. Inerting - A...

A Flagger should Stand? A. On the shoulder adjacent to traffic being controlled B. In the closed lane before stopping vehicle traffic C. In the traffic lane. D. As stated in "A" or "B" above. - Answer-D. As stated in "A" or "B" above. Legally responsible officials are required to report...

Celcius - Answer-(F-32)5/9 HPC media water bath - Answer-45`C, 3hr Precision - Answer-a measure of how close a series of measurements are to one another Accuracy - Answer-how close a measurement is to the true value Electrical Fire - Answer-unplug & sodium bicarbonate analytical balance - Answe...

What does COLOR measure? - Answer-Amount of color units (CU) in a sample. Color caused by natural metallic ions (Fe & Mg) & industrial wastes. What is the test summary for COLOR? - Answer-Sample -> Tubes -> Compare to color standards over light source Which of the following techniques is u...

Sewer maintenance vehicles are - Answer-difficult to maneuver At low concentrations, hydrogen sulfide smells like - Answer-Rotten Eggs which safety hazard in a collection system operations can be detected by an insturment? - AnswerToxic Gases What must be checked first before entering a manhole? ...

Why are gasoline and volatile solvents objectionable when present in a sewer? - Answer-They produce an explosion hazard You should never attempt to install, troubleshoot, maintain, repair, or replace electrical equipment unless: - Answer-You know what you are doing, are qualified, and are authori...

Why are gasoline and volatile solvents objectionable when present in a sewer? - Answer-They produce an explosion hazard You should never attempt to install, maintain, repair or replace electrical equipment panels, controls, wiring or circuits unless - Answer-You know what you are doing, are quali...