Study guides, Class notes & Summaries

CWEA Environmental Compliance Exam Questions and Answers

CWEA Collections System Maintenance Grade 3 Questions and Answers (2023/2024) (Verified Answers)

Cwea collections Grade 1 Exam Review questions and answers, 100% Accurate, verified. Sewer maintenance vehicles are - -difficult to maneuver At low concentrations, hydrogen sulfide smells like - -Rotten Eggs which safety hazard in a collection system operations can be detected by an insturment? - -Toxic Gases What must be checked first before entering a manhole? - -Proper barricades or warning devices around manhole. When should field crews use signs and cones? - -When over half the s...

CWEA Collections Grade 2 Practice Test Review questions and answers, Graded A+/ verified. Why are gasoline and volatile solvents objectionable when present in a sewer? - -They produce an explosion hazard You should never attempt to install, troubleshoot, maintain, repair, or replace electrical equipment unless: - -You know what you are doing, are qualified, and are authorized. How many different areas of traffic zones are there when working in roadways? - -Five Why should hydrogen sulf...

CWEA Collections System Maintenance Grade 3 Exam Review questions and answers, verified. "enclosed", "open", and "semi-closed" are terms used to describe what pump part? a. Stuffing box b. Lantern ring c. Impeller d. Bearings - - A Category 1 SSO is: a. any volume reaching surface waters. b. any volume entering a storm drain and not recovered . c. any spill greater than 1000 gallons. d. all of the above. - - A category 2 SSO is: a. any SSO which does not reach surface w...

CWEA CSM GRADE 2 - PRACTICE TEST Review questions and answers, 100% Acurate. 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 (SSMP) What are the basics elements of a safety program? - -Safety policy, statement, safety training, accid...

CWEA E/I 2 Study Guide Questions and answers, 100% Accurate. Verified. 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 emergencies. d. often is not worth the effort. - -c sharply reduces the number of emergencies Making job planning a group effort...

CWEA E1 Study Set Questions and answers, 100% Accurate, verified. 1 PSI = ? feet of water. - -2.31 3 elements needed to start a fire. - -Heat, oxygen and fuel. 4-20 mA output for a device with a range of 0-63,535. Read is 6 mA. What is the measurement reading? - -6mA/20mA= 0.3, 0.3 x 63,535= 19,060.5 A 150 watt,120 volt lamp burns for 8 hours at the rated voltage. What is the energy used in watthour(Wh)? - -1,200 Wh Formula: Pt=E (t=time) 150x8=1200 A 3 phase motor shows 15 FLA.(Full ...

CWEA Electrical and Instrument Grade 2 Study Guide Questions and answers, verified. .15KvA transformer 480-120. How much amps can you pull on 120 side? - -1.25 amps 150/120=1.25 amp · When finding volume, the tank maybe 30' high but only filled to 14' read the question and make sure you are performing the formula as it pertains to the question. - -? 4-20 mA output for a device with a range of 0-63,535. Read is 6 mA. What is the measurement reading? - -6mA/20mA= 0.3, 0.3 x 63,535= 1...

CWEA Environmental Compliance Exam Review questions and answers, verified. 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 five sewer connections with the following discharge rates: 1) 300 gpd, 2) 75 gpd, 3) 725 gpd, 4) 1,200 gpd, 5) 200 g...

CWEA Exam Review questions and answers, graded A+ Legally responsible officals are required to report catagory 1 sanitary sewer overflows: - -Within two hours When testing a manhole for explosive gases when should the first test be made? - -Before removing the manhole cover When setting up to ventilate a manhole,the air inlet should be how many feet above street level? - - 2.0 feet Which chemical may be used for odor control in a sewer system? - -Hydrogen peroxide A category 2 is: - -A...

CWEA Grade I Laboratory Analyst Exam Review questions and answers, verified. .If you have been given instructions you dont understand - -Ask the author 2 color reporting - -True and Apparent 2 most prevalent methods of measuring chloride - -argentometric and mercuric nitrate Accuracy - -The combination of bias and precision of an analytical procedure, which reflects the closeness of a measured value to a true value Acid - -A compound which liberates hydrogen ions and has a pH below 7. ...