Cwea exam 2023 - Study guides, Class notes & Summaries

CWEA exam 2023 with 100% correct answers

Confined Space - correct 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 - correct answer An employer's written authorization to perform work capable of providing a source of ignition. Inerting - correct answer A form of purging or ventilating a confined space where an inert gas (such as nitrogen, carbon dioxide or argon) is used to displace the atmosphere in a confined...

CWEA E1 Study Set Exam With 100% Correct Answers 2023

Floatable solids are easy to measure. True or False? - correct answer False A well operated digester normally receives sludge at about __________% volatile solid and reduces it to about ________________% volatile solids. - correct answer 70-75%, 25-30% According to OSHA, which of the following oxygen in air concentration is the lowest safe concentration for humans to breathe in order to avoid the hazard of oxygen deficiency? - correct answer 19.5% oxygen The population equivalent ...

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 - correct answer D-not heat up The NEC identifies environments that contain flammable vapors and gases as which class of hazardous location? A-Class I B-Class II C-Class III D-Class IV - correct answer A-Class I Which of the following reduces high voltages and currents to save values for measurements? A-auto transformer B-m...

CWEA E/I Level 3 Exam With 100% Correct Answers 2023

CWEA exam 2023 with 100% correct answers

CWEA Lab Analyst Grade 1 Exam with complete solutions 2023.

CWEA COLLECTION SYSTEMSMAINTENANCE GRADE 3 EXAM 80+ QUESTIONS AND CORRECT ANSWERS 2023 COMPLETE. CWEA Collections System Maintenance Grade 3 1. 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.: D. As stated in "A" or "B" above. 2. Legally responsible officials are required to report category 1 sanitary sewer overflows? A. Within 30 day...

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