1|Page
CWEA COLLECTION SYSTEMS
MAINTENANCE WITH QUESTIONS AND
ANSWERS 100% VERIFIED
What are the maximum allowable slopes or all the soil types? - correct
answer_ Type A: 3/4:1
Type B: 1:1
Type C: 1.5:1
What are some advantages of hydraulic shoring systems? - correct
answer_ They are light enough to be installed by one worker: from top
down
They are gauge-regulated to ensure even distribution of pressure along
the trench line
They can have their trench faces "preloaded" to use the soils natural
cohesion to prevent movement
They can be adapted easily to various trench depths and widths
,2|Page
What are the components of a temporary traffic control? - correct
answer_ Traffic space that allows traffic to pass by activity, temporary
lanes with a 10' minimum width and a 5' clearance from the excavation,
and tapers that are used in the transition area and moves traffic out of
its normal path.
What is the minimum length of a taper in a temporary traffic control
setup? - correct answer_ 50'
How high do your traffic cones need to be if the speed limit around
your work zone is 35 MPH? - correct answer_ 18". Cone height must be
18" if speed limit is 30 MPH or less and 28" if the speed limit is 45 MPH
or more
how many flaggers are REQUIRED to perform a basic flagging
operation? - correct answer_ one
Why are gasoline and volatile solvents objectionable when present in a
sewer? - correct answer_ They produce an explosion hazard
, 3|Page
You should never attempt to install, maintain, repair or replace
electrical equipment panels, controls, wiring or circuits unless - correct
answer_ You know what you are doing, are qualified and are authorized
What are the different areas of traffic zones? - correct answer_
Advance Warning Area, Transition Area, Activity Area (buffer space and
work space), Termination Area. Could be 4 or 5, justify your answer on
the test!
why should hydrogen sulfide be controlled? - correct answer_ to
protect from corrosion and odors
Personnel entering a Permit Required Confined Space must have the
following training - correct answer_ entry and rescue
To find protective gear before application of a product, you should: -
correct answer_ look at the MSDS
CWEA COLLECTION SYSTEMS
MAINTENANCE WITH QUESTIONS AND
ANSWERS 100% VERIFIED
What are the maximum allowable slopes or all the soil types? - correct
answer_ Type A: 3/4:1
Type B: 1:1
Type C: 1.5:1
What are some advantages of hydraulic shoring systems? - correct
answer_ They are light enough to be installed by one worker: from top
down
They are gauge-regulated to ensure even distribution of pressure along
the trench line
They can have their trench faces "preloaded" to use the soils natural
cohesion to prevent movement
They can be adapted easily to various trench depths and widths
,2|Page
What are the components of a temporary traffic control? - correct
answer_ Traffic space that allows traffic to pass by activity, temporary
lanes with a 10' minimum width and a 5' clearance from the excavation,
and tapers that are used in the transition area and moves traffic out of
its normal path.
What is the minimum length of a taper in a temporary traffic control
setup? - correct answer_ 50'
How high do your traffic cones need to be if the speed limit around
your work zone is 35 MPH? - correct answer_ 18". Cone height must be
18" if speed limit is 30 MPH or less and 28" if the speed limit is 45 MPH
or more
how many flaggers are REQUIRED to perform a basic flagging
operation? - correct answer_ one
Why are gasoline and volatile solvents objectionable when present in a
sewer? - correct answer_ They produce an explosion hazard
, 3|Page
You should never attempt to install, maintain, repair or replace
electrical equipment panels, controls, wiring or circuits unless - correct
answer_ You know what you are doing, are qualified and are authorized
What are the different areas of traffic zones? - correct answer_
Advance Warning Area, Transition Area, Activity Area (buffer space and
work space), Termination Area. Could be 4 or 5, justify your answer on
the test!
why should hydrogen sulfide be controlled? - correct answer_ to
protect from corrosion and odors
Personnel entering a Permit Required Confined Space must have the
following training - correct answer_ entry and rescue
To find protective gear before application of a product, you should: -
correct answer_ look at the MSDS
