CWEA Q&A Package Deal

Which welding process is most commonly used for SMALL pipe maintenance welding? OxyAcetylene gas welding What is the proper definition of an engine? It is a machine designed to convert energy into useful mechanical motion What is wet stacking and how can it be prevented? It is unburned fuel co...

40 CFR 121- 124 The federal storm water regulations for the permitting of municipalities and industries. Regulations define storm water terms, permitting, inspecting, and sampling measurements 40 CFR 136 The regulations for sampling preservation and analyses of water, wastewater, and solid waste ...

Indirect Potable Reuse (IPR) 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) Process of treating wastewater to drinkable standards ...

What is PPE Category 1? 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 Possible answer:72,607 MGD Absoulte Pressure Gauge? What is True? Possible answer...

If transformer primary=120v and secondary 12v=20 amps, what are the amps on the primary? 2 amps. Formula: I =Amps/Volume of current E = Volts/Force moving the current P = Watts, Electrical power produced I x E=P 12 x 20=240watts In a transformer watts stay the same so now: P/E=I 240/120v...

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

If the potential difference across the coil is low, the coil will: A-draw too much current B-become too hot C-Produce too much magnetic force D-not heat up D-not heat up The NEC identifies environments that contain flammable vapors and gases as which class of hazardous location? A-Class I ...

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? 11.1 hours An industry has f...

What does COLOR measure? 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? Sample -> Tubes -> Compare to color standards over light source Which of the following techniques is used to isolate a...

In order to accurately estimate the flow of a sanitary sewer overflow (SSO) you must have: Spill start time, spill end time and spill rate Providing a plan and schedule to properly manage, operate and maintain all parts of the sanitary sewer system is the goal of a: A sewer system management plan...

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