Cwea stuvia Study guides, Class notes & Summaries

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...

Which process is most commonly used for small pipe maintenance welding? - Answer D. Oxyacetylene gas welding What is the proper definition of an engine? - Answer B. It is machine designed to convert energy into useful mechanical motion What is wet stacking and how can it be prevented? - Answer C.Wet stacking is a condition in diesel engines in which unburned fuel passes on into the exhaust system.[1] The word "stacking" comes from the term "stack" for exhaust pipe or chimney stack. The...

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...

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...

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...

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...

CWEA Collections Grade 2 Practice Test Questions & Answers 100% Correct CWEA Collections Grade 2 Practice Test Questions & Answers 100% Correct CWEA Collections Grade 2 Practice Test Questions & Answers 100% Correct CWEA Collections Grade 2 Practice Test Questions & Answers 100% Correct CWEA Collections Grade 2 Practice Test Questions & Answers 100% Correct CWEA Collections Grade 2 Practice Test Questions & Answers 100% Correct CWEA Collections Grade 2 Practice Test Questions &...

CWEA Maintenance Technologist 1 Practice Questions (Practice Questions and Answers to the CWEA MT Practice Test) with Complete SolutionsCWEA Maintenance Technologist 1 Practice Questions (Practice Questions and Answers to the CWEA MT Practice Test) with Complete SolutionsCWEA Maintenance Technologist 1 Practice Questions (Practice Questions and Answers to the CWEA MT Practice Test) with Complete Solutions Which process is most commonly used for small pipe maintenance welding? - ANSWER-D. Oxyace...

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