TeeGrades

What does COLOR measure? - 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? - 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? - Extraction In the cyanide determination, which one of the following is not an interference? - Halogenated aromatics Which o...

Acid: - A substance which releases hydrogen ions when dissolved in water. Most acids will dissolve the common metals and will react with a base to form a neutral salt and water. An acid is the opposite of an alkali, has a pH rating lower than 7.0, will turn litmus paper red, and has a sour taste. Acidity: - The quantitative capacity of water or a water solution to neutralize an alkali or base. It is usually measured by titration with a standard solution of sodium hydroxide, and ...

Floatable solids are easy to measure. True or False? False A well operated digester normally receives sludge at about __________% volatile solid and reduces it to about ________________% volatile solids. 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? 19.5% oxygen The population equivalent factor for BOD is 0.17 lb/day/BOD/person W...

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 - 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 - A-Class I Which of the following reduces high voltages and currents to save values for measurements? A-auto transformer B-megohmmeter C-instrument ...

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: a. wastes time. b. improves productivity. c. causes confusion...

Which welding process is most commonly used for SMALL pipe maintenance welding? - OxyAcetylene gas welding What is the proper definition of an engine? - It is a machine designed to convert energy into useful mechanical motion What is wet stacking and how can it be prevented? - 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? - The base on the bell housing and pointer...

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 gpd A flow-weighted composite sample of 5 liters is desired. How many milliliters...

ATLS Tests Exam Bundle

Nate Test Exam Bundle

ACLS Exam Bundle

CIPP - Cured-In-Place Pipe CIP - Cast Iron Pipe cfs - cubic feet per second SSO - Sanitary Sewer Overflow PPE - personal protective equipment CIP's - capital improvement plans GIS - Geographic Information System BOD - biochemical oxygen demand ABS pipe - acrylonitrile butadiene styrene PSL - private sewer lateral PVC - polyvinyl chloride PACP - pipeline assessment certification program MUTCD - Manual on Uniform Traffic C...

which of the following are types of bearings -ball -roller -thrust - all are bearings which is not a main component of a centrifugal pump -shaft -impeller -volute -hand switch - hand switch what are the two major classes of fans - -centerfugal -axial what is pump efficiency - efficiency of just the pump which of the following electrical circuits has more then one path for the current to flow -indirect -parallel -short -series - parallel what is the conve...

Which process is most commonly used for small pipe maintenance welding? - D. Oxyacetylene gas welding What is the proper definition of an engine? - B. It is machine designed to convert energy into useful mechanical motion What is wet stacking and how can it be prevented? - 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 oily exhaus...

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 sulfide be controlled? - To protect sewers and structures from corrosion Personnel ...

AA - atomic absorption AC - power alternating current ac - acre AF - acre-foot (feet) AFY - acre-foot per year AMSA - Association of Metropolitan Sewerage Agencies ANSI - American National Standards Institute APHA - American Public Health Association AS - activated sludge ASCE - American Society of Civil Engineers ASME - American Society of Mechanical Engineers ASTM - American Society for Testing and Materials AWT - ad...

Confined Space - 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 - An employer's written authorization to perform work capable of providing a source of ignition. Inerting - 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 space to remove fire or explosion hazards...

CWEA Collections Grade 2 Practice Test Questions with Correct Solutions

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: - Any sso which is not a category 1 Whi...

CWEA Collection Systems Maintenance Questions with Correct Answers

Regarding airway compromise, which of the following is NOT a sign/symptom of this emergency?: Change in voice tone. Stridor. Decreased pulse pressure. Dyspnea and agitation. Tachypnea. - Decreased pulse pressure. A 26 year • old woman is brought to the Emergency Department after being involved in a motor vehicle crash. She is 30 weeks pregnant. She was restrained with a lap and shoulder belt, and an airbag deployed. Which one of the following statements best describes the risk...