CWEA COLLECTIONS GRADE 2 PRACTICE TEST EXAM
QUESTIONS AND ANSWERS GRADED A+ 100% VERIFIED.
Why are gasoline and volatile solvents objectionable when present in a
sewer? ANS >>> They produce an explosion hazard
You should never attempt to install, troubleshoot, maintain, repair, or
replace electrical equipment unless: ANS >>> You know what you are
doing, are qualified, and are authorized.
How many different areas of traffic zones are there when working in
roadways? ANS >>> Five
Why should hydrogen sulphide be controlled? ANS >>> To protect sewers
and structures from corrosion
, Personnel entering a Permit Required Confined Space must have the
following training: ANS >>> Entry and rescue procedures
To find proper protective gear before application of a product, you
would: ANS >>> Look at the MSDS (Material Safety Data Sheet)
The gas most commonly associated with septic wastewater is: ANS >>>
Hydrogen Sulphide (H2S)
The lack of an unpleasant odori in a structure does not always mean
that dangerous gases are not present because: ANS >>> Some dangerous
gases have no odder
What four conditions are necessary to create an explosion? ANS >>>
Combustible gas, adequate oxygen, sufficient heat, and proper mixing
of gas and oxygen.
What does "transition area" mean in traffic control? ANS >>> Moves
traffic out of its normal path
The term "transition area" is one component of a: ANS >>> Traffic Control
Zone
What elements should be considered to improve worker safety in High-
Speed Temporary Traffic Control Zones? ANS >>> Rerouting traffic around
QUESTIONS AND ANSWERS GRADED A+ 100% VERIFIED.
Why are gasoline and volatile solvents objectionable when present in a
sewer? ANS >>> They produce an explosion hazard
You should never attempt to install, troubleshoot, maintain, repair, or
replace electrical equipment unless: ANS >>> You know what you are
doing, are qualified, and are authorized.
How many different areas of traffic zones are there when working in
roadways? ANS >>> Five
Why should hydrogen sulphide be controlled? ANS >>> To protect sewers
and structures from corrosion
, Personnel entering a Permit Required Confined Space must have the
following training: ANS >>> Entry and rescue procedures
To find proper protective gear before application of a product, you
would: ANS >>> Look at the MSDS (Material Safety Data Sheet)
The gas most commonly associated with septic wastewater is: ANS >>>
Hydrogen Sulphide (H2S)
The lack of an unpleasant odori in a structure does not always mean
that dangerous gases are not present because: ANS >>> Some dangerous
gases have no odder
What four conditions are necessary to create an explosion? ANS >>>
Combustible gas, adequate oxygen, sufficient heat, and proper mixing
of gas and oxygen.
What does "transition area" mean in traffic control? ANS >>> Moves
traffic out of its normal path
The term "transition area" is one component of a: ANS >>> Traffic Control
Zone
What elements should be considered to improve worker safety in High-
Speed Temporary Traffic Control Zones? ANS >>> Rerouting traffic around
