Cwea stuvia - Study guides, Class notes & Summaries

Celcius - Answer (F-32)5/9 HPC media water bath - Answer 45`C, 3hr Precision - Answer a measure of how close a series of measurements are to one another Accuracy - Answer how close a measurement is to the true value Electrical Fire - Answer unplug & sodium bicarbonate analytical balance - Answer a device for determining mass that gives highly accurate measurements top loading balance - Answer used to determine mass; not as precise as an analytical balance triple beam balance...

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. - ANSWERSD. 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 - ANSWERSD. Within 2 hours When working in confined spaces or sewers,...

40 CFR 121- 124 - Answer 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 - Answer The regulations for sampling preservation and analyses of water, wastewater, and solid waste 40 CFR 403 - Answer The federal regulations defining the elements of a pretreatment program, prohibited discharges, and the approval process for establishing a pretreatment progra...

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? - Answer Halogenated arom...

CWEA Exam Questions and Answers 100% CorrectCWEA Exam Questions and Answers 100% CorrectCWEA Exam Questions and Answers 100% CorrectLegally 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 c...

CWEA Collections Grade 2 Practice Test with Complete Questions and Answers 100% CorrectCWEA Collections Grade 2 Practice Test with Complete Questions and Answers 100% CorrectCWEA Collections Grade 2 Practice Test with Complete Questions and Answers 100% Correct 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: - ANS...

CWEA E/I Level 3 Questions and Answers 100% Correct CWEA E/I Level 3 Questions and Answers 100% Correct CWEA E/I Level 3 Questions and Answers 100% Correct CWEA 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 locat...

Why are gasoline and volatile solvents objectionable when present in a sewer? - ANSWERSThey produce an explosion hazard You should never attempt to install, maintain, repair or replace electrical equipment panels, controls, wiring or circuits unless - ANSWERSYou know what you are doing, are qualified and are authorized What are the different areas of traffic zones? - ANSWERSAdvance Warning Area, Transition Area, Activity Area (buffer space and work space), Termination Area. Could be 4 or 5...

Which welding process is most commonly used for SMALL pipe maintenance welding? - Answer OxyAcetylene gas welding What is the proper definition of an engine? - Answer It is a machine designed to convert energy into useful mechanical motion What is wet stacking and how can it be prevented? - Answer It is unburned fuel collecting in the exhaust due to light or no load conditions To check flywheel face runout, where should the dial indicator be positioned? - Answer The base on the bell hou...

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? - Answer Hydrogen peroxide A category 2 is: - Answer Any sso which is not...