Cwea Study guides, Class notes & Summaries

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. Correct Answer: D. As stated in "A" or "B" above. Legally responsible officials are required to report category 1 sanitary sewer overflows? A. Within 30 days B. Before end of the day C. As soon as possible D. Within 2 hours Correct Answer: D. Within 2 hours When working in confined s...

Cwea collections Grade 1 Questions and Answers (2024 / 2025) (Verified Answers)PDF

1. What is the main electrical danger when using power tools? a. Excessive heat b. Low-resistance grounding c. Over-current d. Short circuit -️️ d. Short circuit 2. What is the most important feature for adequate equipment grounding? a. Insulation b. Low current c. Low-impedance path d. Over-current devices -️️ c. Low-impedance path 3. An explosion-proof enclosure: a. can withstand and contain an internal explosion. b. can withstand an external explosion. c. is identical to ...

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 used to isolate anionic surfactants (as MBAS) from the sample matrix? - Answer-Extraction In the cyanide determination, which one of the following is not an interference? - AnswerHalogenated aromatic...

CWEA E/I Level 3 Questions and Answers 100% CorrectCWEA E/I Level 3 Questions and Answers 100% Correct 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 - 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 - ANSWER-A-Class I Which of the following reduce...