This collection features the questions most frequently tested on the CWEA 2024 exam. Ace your test effortlessly with this well-researched material, compiled from recent exams.
1 why are gasoline and volatile solvents objectionable when present in a sewer they produce an explosion hazard 2 you should never
cwea collections grade 2 practice test 2024
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CWEA Collections Grade 2 Practice Test 2023 Questions and
Answers
1. Why are gasoline and volatile solvents objectionable when present in
a sewer?: They produce an explosion hazard
2. You should never attempt to install, troubleshoot, maintain, repair, or re-
place electrical equipment unless:: You know what you are doing, are
qualified, and are authorized.
3. How many different areas of traffic zones are there when working
in roadways?: Five
4. Why should hydrogen sulfide be controlled?: To protect sewers and
struc- tures from corrosion
5. Personnel entering a Permit Required Confined Space must have
the following training:: Entry and rescue procedures
6. To find proper protective gear before application of a product, you
would:-
: Look at the MSDS (Material Safety Data Sheet)
7. The gas most commonly associated with septic wastewater is::
Hydrogen Sulfide (H2S)
8. The lack of an unpleasant odor in a structure does not always mean
that dangerous gases are not present because:: Some dangerous gases
have no odor
9. What four conditions are necessary to create an explosion?:
Combustible gas, adequate oxygen, sufficient heat, and proper mixing
of gas and oxygen.
10.What does "transition area" mean in traffic control?: Moves traffic
out of its normal path
11.The term "transition area" is one component of a:: Traffic Control Zone
12.What elements should be considered to improve worker safety in High
Speed Temporary Traffic Control Zones?: Rerouting traffic around the
work site, positioning of law enforcement officers in the temporary
traffic control zone, and work zone training.
13.What key factors would you need to address when developing an
S.O.P. for Lift Station failure?: Traffic control plan, by-pass connections,
and spill con- tainment.
14."Spring Blades" are a type of tool used with:: Power Rodder
15.Porcupine, Root Saw, and a Square Bar Cork Screw are all tools
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, CWEA Collections Grade 2 Practice Test 2023 Questions and
Answers
used for:: Sewer rodding
16.What tool would you use to cut VCP pipe?: Chain pipe cutter
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, CWEA Collections Grade 2 Practice Test 2023 Questions and
Answers
17.Which conditions should a gas detection device test for?: Hydrogen
Sul- fide, explosive/flammable gases, oxygen.
18.What does "LEL" mean on a gas detection meter?: Lower explosive
limit
19.The oxygen level alarm in a gas detection meter is normally set to go
off at oxygen levels below:: 19.5%
20.When developing an S.O.P. for scheduled maintenance of electrical
equipment, what program should be addressed as a primary safety
guide- line?: The L.O.T.O. (Lock Out Tag Out) Program
21. What document would you require to be referenced when developing an
S.O.P. for hazardous substance spill cleanup as well as spill containment?-
: M.S.D.S.
22.Placement of the Blower and P.P.E. are two things you would include in
developing an S.O.P. for air monitoring in a:: Permit Required Confined
Space
23.According to a State Water Resources Control Board order, each
Enrollee must develop and implement a system-specific:: Sewer System
Management Plan (SSMP)
24.Category 1 SSO's that discharge to a drainage channel and/or
surface water must be reported within:: 2 hours
25.To report in the Statewide SSO Data-base California Integrated Water
Quality System (CIWQS), regarding the location of a Category 2 SSO,
you must know:: the GPS coordinates
26.Biological activity in long, sluggish-flow, flat grade sewer lines will
likely cause odors, true or false?: True
27.Flatter sewer line grades may cause added sewer maintenance
expense and odor nuisance. The problem is most likely caused by:: A
decrease in velocity allowing organic and inorganic solids to settle out
28.Infiltration from a high water table can be one source of excessive
clear water in a collection system, true or false?: True
29.What is the first thing to consider when selecting a solution to clear
a stoppage in a sewer?: Cause of stoppage
30.The interior of 300 feet of 12-inch pipe is uniformly coated with one
inch of grease. How many gallons will this pipe hold when filled with
water?: 12 inches (diameter of pipe) - 2 inches (grease on pipe) = 10
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