CWEA Study guides, Class notes & Summaries

CWEA Lab Analyst Grade 1 Exam Review questions and answers, rated A+/ Accuracy - -how close a measurement is to the true value adding sig figs - -smallest number of decimals Alkalinity hold time - -14 days Always add ___ to ___ - -acid to water analytical balance - -a device for determining mass that gives highly accurate measurements BOD hold time - -48 hours BOD Temp Incubator - -20+/- 1`C

CWEA Mechanical Technologist Exam Review questions and answers, verified. What is the proper definition of an engine? - -it is a machine designed to convert energy into useful mechanical motion What is required for a sealed ball bearing? - -It does not need to be lubricated under normal use What is the purpose of a breakaway switch? - -To apply the brakes on a trailer in the event of a trailer release from a vehicle Which type of saw is used to cut metallic materials? - -Hacksaw A sca...

CWEA - Lab Analyst III Exam Review questions and answers, graded A+/ verified. 1,4 Dioxane - Bottle, Preservation, Hold Time - -500ml amber, sulfite/bisulfate, 28 days 1664/HEM - Bottle, Preservation, Hold Time - -glass, ph<2 HCl/H2SO4, 28 days 300.0 + 300.1 (All Others)- Bottle, Preservation, Hold Time - -plastic/glass, unpres, 28 days 300.1 (Bromate, Chlorate, Chlorite) - Bottle, Preservation, Hold Time - -500ml plastic/glass, EDA, 28 days 524 VOCS - Bottle, Preservation, Hold Time...

CWEA - Advanced Water Treatment Exam Review questions and answers, rated A+/ 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 and returning it to the raw water supply (distribution system) without the use of an environmental buffer. Rat...

CWEA Collections System Maintenance Grade 3 Exam with Complete Solutions 100% Solutions A Flagger should Stand? On the shoulder adjacent to traffic being controlled In the closed lane before stopping vehicle traffic In the traffic lane. As stated in "A" or "B" above. - D. As stated in "A" or "B" above. Legally responsible officials are required to report category 1 sanitary sewer overflows? Within 30 days Before end of the day As soon as possible Within 2 hours - D...

CWEA COLLECTIVE SYSTEM 2024 UPDATE EXAM PRACTICE COMPREHENSIVE QUESTIONS AND VERIFIED ANSWERS GRADE A+

cwea Grade 4 Test Part 2 Questions And Answers Acid: - ANSWER- A substance which releases hydrogen ions when dissolved in water. Most acids will dissolve the common metals and will react with a base to form a neutral salt and water. An acid is the opposite of an alkali, has a pH rating lower than 7.0, will turn litmus paper red, and has a sour taste. Acidity: - ANSWER- The quantitative capacity of water or a water solution to neutralize an alkali or base. It is usually measured by ti...

CWEA EXAM QUESTIONS WITH ALL CORRECT DETAILED ANSWERS Legally responsible officals are required to report catagory 1 sanitary sewer overflows: - ANSWER- Within two hours When testing a manhole for explosive gases when should the first test be made? - ANSWER- Before removing the manhole cover When setting up to ventilate a manhole,the air inlet should be how many feet above street level? - ANSWER- 2.0 feet Which chemical may be used for odor control in a sewer system? - ANSWERHydrogen p...

CWEA Collections Grade 2 Practice Test Questions And Answers 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 authorized. How many different areas of traffic zones are there when working in roadways? - ANSWER- Five Why should hydrogen sulfide be ...

CWEA 2 Test Questions And Answers All Correct Shielded Metal Arc Welding (SMAW) - ANSWER- Also known as "stick welding" , uses an electrode that has flux, the protectant for the puddle, around it Gas Tungsten Arc Welding (GTAW) - ANSWER- Also known as "TIG", uses a non consumable tungsten electrode to produce the weld. The weld area is protected from atmospheric contamination by an inert shielding gas sick as Argon or helium Centrifugal pump - ANSWER- Suitable for low head and high ...